Ray C. MacDonald

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Skowhegan, ME, US

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Patents Grantslast 30 patents

Information Patent Grant
Mechanism for relieving stress on the hands of a person operating a...
- Patent number 5,465,931
- Issue date Nov 14, 1995
- Ray C. MacDonald
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...