John P. Greiner

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Oregon City, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Modular conical chipper/canter head and method
- Patent number 8,225,828
- Issue date Jul 24, 2012
- Key Knife, Inc.
- John P. Greiner
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

Information Patent Application
MODULAR CONICAL CHIPPER/CANTER HEAD AND METHOD
- Publication number 20120298261
- Publication date Nov 29, 2012
- John P. Greiner
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Application
Modular conical chipper/canter head and method
- Publication number 20080135132
- Publication date Jun 12, 2008
- John P. Greiner
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...