John N. R. Ruddick

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West Vancouver, CA

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Patents Grantslast 30 patents

Information Patent Grant
Process for fixing wooden articles pressure treated with chromated-...
- Patent number 5,089,302
- Issue date Feb 18, 1992
- Bell Pole Co. Ltd.
- John N. R. Ruddick
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Multihead incisor for lumber, timber and the like
- Patent number 4,836,254
- Issue date Jun 6, 1989
- Forintek Canada Corporation
- John N. R. Ruddick
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...