Thomas P. Douglas

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Phoenix, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Locking hub tool
- Patent number 4,061,058
- Issue date Dec 6, 1977
- Thomas P. Douglas
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Adjustable drawing sweep
- Patent number 3,935,641
- Issue date Feb 3, 1976
- Thomas P. Douglas
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES