Leon Robert Palmer

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Somerset, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Inline screwdriver with hands-free activated dual-drive self-ratche...
- Patent number 10,556,328
- Issue date Feb 11, 2020
- Leon Robert Palmer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Dual-drive, self-ratcheting, mechanism with multiple input ports
- Patent number 9,333,630
- Issue date May 10, 2016
- Leon Robert Palmer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Dual-drive, self-ratcheting mechanism
- Patent number 8,707,831
- Issue date Apr 29, 2014
- Leon R. Palmer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Reversing-input bidirectional-output longitudinally-slideable-shaft
- Patent number 5,881,609
- Issue date Mar 16, 1999
- Leon Robert Palmer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Drive mechanism providing an oscillatory-rotational-drive input and...
- Patent number 5,662,009
- Issue date Sep 2, 1997
- Leon Robert Palmer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Mechanical pencil
- Patent number 5,004,362
- Issue date Apr 2, 1991
- Leon Robert Palmer
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Inline screwdriver with hands-free activated dual-drive self-ratche...
- Publication number 20190047124
- Publication date Feb 14, 2019
- Leon Robert Palmer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Dual-drive, self-ratcheting, mechanism with multiple input ports
- Publication number 20150047472
- Publication date Feb 19, 2015
- Leon Robert Palmer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Application
Dual-drive, self-ratcheting mechanism
- Publication number 20120096991
- Publication date Apr 26, 2012
- Leon R. Palmer
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS