Richard H. Doyle

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Mount Prospect, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Fastener driving tool
- Patent number 4,523,646
- Issue date Jun 18, 1985
- Duo-Fast Corporation
- Richard H. Doyle
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Fastener driving tool
- Patent number 4,463,888
- Issue date Aug 7, 1984
- Duo Fast Corporation
- Bernard W. Geist
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Electric fastener driving tool
- Patent number 4,375,867
- Issue date Mar 8, 1983
- Duo Fast Corporation
- Raymond F. Novak
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Fastener driving tool
- Patent number 4,251,017
- Issue date Feb 17, 1981
- Duo Fast Corporation
- Richard H. Doyle
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Compression tacker
- Patent number 4,200,215
- Issue date Apr 29, 1980
- Duo-Fast Corporation
- Raymond F. Novak
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Electric fastener driving tool
- Patent number 4,005,812
- Issue date Feb 1, 1977
- Duo Fast Corporation
- Richard H. Doyle
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS