EXHIBIT 24 IKONICS CORPORATION Power of Attorney of Director and/or Officer The undersigned director and/or officer of IKONICS Corporation, a Minnesota corporation, does hereby make, constitute and appoint William C. Ulland and Jon Gerlach, and either of them, the undersigned's true and lawful attorneys-in-fact, with power of substitution, for the undersigned and in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Corporation to an Annual Report on Form 10-KSB or other applicable form, and all amendments thereto, to be filed by said Corporation with the Securities and Exchange Commission, Washington, D.C., under the Securities Act of 1934, as amended, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and either of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the powers herein expressly granted. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 23rd day of February, 2004. /s/ Charles H. Andresen --------------------------- Charles H. Andresen IKONICS CORPORATION Power of Attorney of Director and/or Officer The undersigned director and/or officer of IKONICS Corporation, a Minnesota corporation, does hereby make, constitute and appoint William C. Ulland and Jon Gerlach, and either of them, the undersigned's true and lawful attorneys-in-fact, with power of substitution, for the undersigned and in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Corporation to an Annual Report on Form 10-KSB or other applicable form, and all amendments thereto, to be filed by said Corporation with the Securities and Exchange Commission, Washington, D.C., under the Securities Act of 1934, as amended, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and either of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the powers herein expressly granted. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 23rd day of February, 2004. /s/ Rondi Erickson --------------------------- Rondi Erickson IKONICS CORPORATION Power of Attorney of Director and/or Officer The undersigned director and/or officer of IKONICS Corporation, a Minnesota corporation, does hereby make, constitute and appoint William C. Ulland and Jon Gerlach, and either of them, the undersigned's true and lawful attorneys-in-fact, with power of substitution, for the undersigned and in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Corporation to an Annual Report on Form 10-KSB or other applicable form, and all amendments thereto, to be filed by said Corporation with the Securities and Exchange Commission, Washington, D.C., under the Securities Act of 1934, as amended, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and either of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the powers herein expressly granted. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 23rd day of February, 2004. /s/ David O. Harris --------------------------- David O. Harris IKONICS CORPORATION Power of Attorney of Director and/or Officer The undersigned director and/or officer of IKONICS Corporation, a Minnesota corporation, does hereby make, constitute and appoint William C. Ulland and Jon Gerlach, and either of them, the undersigned's true and lawful attorneys-in-fact, with power of substitution, for the undersigned and in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Corporation to an Annual Report on Form 10-KSB or other applicable form, and all amendments thereto, to be filed by said Corporation with the Securities and Exchange Commission, Washington, D.C., under the Securities Act of 1934, as amended, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and either of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the powers herein expressly granted. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 23rd day of February, 2004. /s/ H. Leigh Severance --------------------------- H. Leigh Severance IKONICS CORPORATION Power of Attorney of Director and/or Officer The undersigned director and/or officer of IKONICS Corporation, a Minnesota corporation, does hereby make, constitute and appoint William C. Ulland and Jon Gerlach, and either of them, the undersigned's true and lawful attorneys-in-fact, with power of substitution, for the undersigned and in the undersigned's name, place and stead, to sign and affix the undersigned's name as such director and/or officer of said Corporation to an Annual Report on Form 10-KSB or other applicable form, and all amendments thereto, to be filed by said Corporation with the Securities and Exchange Commission, Washington, D.C., under the Securities Act of 1934, as amended, with all exhibits thereto and other supporting documents, with said Commission, granting unto said attorneys-in-fact, and either of them, full power and authority to do and perform any and all acts necessary or incidental to the performance and execution of the powers herein expressly granted. IN WITNESS WHEREOF, the undersigned has hereunto set the undersigned's hand this 23rd day of February, 2004. /s/ Gerald W. Simonson --------------------------- Gerald W. Simonson