Willard H. Kreibich

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Sparta, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Boss formation using low surface energy dams
- Patent number 4,468,425
- Issue date Aug 28, 1984
- Northern Engraving Corporation
- Kenneth B. Gilleo
- B44 - DECORATIVE ARTS
Information Patent Grant
Boss formation using low surface energy dams
- Patent number 4,409,264
- Issue date Oct 11, 1983
- Northern Engraving Corporation
- Kenneth B. Gilleo
- B44 - DECORATIVE ARTS