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Charles E. Biggerstaff
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Flagstaff, AZ, US
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last 30 patents
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Patent Grant
Vascular shunt graft and junction for same
Patent number
6,019,788
Issue date
Feb 1, 2000
Gore Enterprise Holdings, Inc.
Leslie C. Butters
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Apparatus and method for extruding and expanding polytetrafluoroeth...
Patent number
4,876,051
Issue date
Oct 24, 1989
W. L. Gore & Associates, Inc.
Michael L. Campbell
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Apparatus and method for extruding and expanding polytetrafluoroeth...
Patent number
4,743,480
Issue date
May 10, 1988
W. L. Gore & Associates, Inc.
Michael L. Campbell
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL