William N. Krupnick

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Hebei, CN

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Patents Grantslast 30 patents

Information Patent Grant
Tile assembly system
- Patent number 7,836,651
- Issue date Nov 23, 2010
- William N. Krupnick
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
TILE ASSEMBLY SYSTEM
- Publication number 20070193133
- Publication date Aug 23, 2007
- William N. Krupnick
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL