Douglas F. Wright

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Tucson, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
T-shaped ground jaw
- Patent number D550734
- Issue date Sep 11, 2007
- Engineering & Research Associates, Inc.
- Douglas F. Wright
- D15 - Machines not elsewhere specified
Information Patent Grant
Curved slotted ground jaw
- Patent number D550733
- Issue date Sep 11, 2007
- Engineering & Research Associates, Inc.
- Douglas F. Wright
- D15 - Machines not elsewhere specified
Information Patent Grant
Narrow faceted slotted ground jaw
- Patent number D550732
- Issue date Sep 11, 2007
- Engineering & Research Associates, Inc.
- Douglas F. Wright
- D15 - Machines not elsewhere specified
Information Patent Grant
Wide faceted slotted ground jaw
- Patent number D550262
- Issue date Sep 4, 2007
- Engineering & Research Associates, Inc.
- Douglas F. Wright
- D15 - Machines not elsewhere specified