Gilbert M. Lea

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Des Moines, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hand-held tool for drill bit sharpening
- Patent number 6,280,307
- Issue date Aug 28, 2001
- Gilbert M. Lea
- B24 - GRINDING POLISHING
Information Patent Grant
Hand-held drill bit sharpening tool
- Patent number 6,001,002
- Issue date Dec 14, 1999
- Gilbert M. Lea
- B24 - GRINDING POLISHING