Douglas E. Franklin

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Abbotsford, CA

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for testing wooden poles
- Patent number 4,926,691
- Issue date May 22, 1990
- Powertech Labs, Inc.
- Douglas E. Franklin
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for determining the distance of an object
- Patent number 4,766,323
- Issue date Aug 23, 1988
- B. C. Hydro
- Douglas E. Franklin
- G01 - MEASURING TESTING