Donald F. Hammond

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Lake Cowichan, British Columbia, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for cutting and trimming shingles
- Patent number 4,325,421
- Issue date Apr 20, 1982
- Michael Janovick
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...