John W. Finlayson

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Ventura, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of taking an impression with an internal bore impression tool
- Patent number 4,659,530
- Issue date Apr 21, 1987
- Vetco Gray Inc.
- Charles L. Boyers
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Internal bore impression tool
- Patent number 4,616,987
- Issue date Oct 14, 1986
- Vetco Offshore Industries, Inc.
- Charles L. Boyers
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL