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Douglas S. McKittrick
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Colorado Springs, CO, US
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last 30 patents
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Patent Grant
Co-extruded screwdriver
Patent number
7,325,469
Issue date
Feb 5, 2008
W Forge Holdings, Inc.
Jess Vernon Clampitt, Jr.
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL