Douglas B. Whiting

Follow

Person

Lumby, CA

People

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...