Richard Douglas

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Handle gripping system having inner ridges and channels
- Patent number 9,463,569
- Issue date Oct 11, 2016
- Richard Douglas
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Handle gripping system having inner ridges and channels
- Patent number 9,095,971
- Issue date Aug 4, 2015
- Richard Douglas
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Gripping system for a handle
- Patent number 8,800,112
- Issue date Aug 12, 2014
- Richard Douglas
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS