George B. Simpson

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Sumner, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure control system for ring debarkers with rotary cutters
- Patent number 5,117,881
- Issue date Jun 2, 1992
- Nicholson Manufacturing Company
- George B. Simpson
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...