Douglas A. Skinner

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Bellwood, CA

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Patents Grantslast 30 patents

Information Patent Grant
Scraper bars for use with conveyor belting and the like
- Patent number 4,257,517
- Issue date Mar 24, 1981
- Uniroyal Ltd.
- Edwin J. MacPherson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL