Robert Pinder

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Ottawa, CA

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Patents Grantslast 30 patents

Information Patent Grant
Method for welding thermoplastic materials
- Patent number 5,407,514
- Issue date Apr 18, 1995
- E. O. Butts Consultants Ltd.
- Ernest O. Butts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Welding rod
- Patent number 5,407,520
- Issue date Apr 18, 1995
- E. O. Butts Consultants Ltd.
- Ernest O. Butts
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL