William Demmer

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East Lansing, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Inflation device
- Patent number 7,445,533
- Issue date Nov 4, 2008
- David Norton
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
System and method for design and fabrication of stamping dies for m...
- Patent number 6,560,499
- Issue date May 6, 2003
- Demmer Corporation
- William A. Demmer
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

Information Patent Application
Inflation device
- Publication number 20070275615
- Publication date Nov 29, 2007
- David Norton
- A63 - SPORTS GAMES AMUSEMENTS