Charles Douglas McDonald

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Man-overboard rescue apparatus for sailboats
- Patent number 4,343,056
- Issue date Aug 10, 1982
- Charles D. McDonald
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Manually operated press
- Patent number 3,988,981
- Issue date Nov 2, 1976
- Charles Douglas McDonald
- B30 - PRESSES