Inventor · disambiguated record
William D. Christoffel
Also filed as: CHRISTOFFEL WILLIAM D · TRINGALI RICHARD C
4 granted patents·283 citations·filing 1977–1979
82Inventor score
Files withAMERICAN HOSPITAL SUPPLY CORP4
Top patents by PatentIndex Score
4 records- 0190US4255996ANeedle destroyer with improved mechanical advantageAMERICAN HOSPITAL SUPPLY CORP·Filed 1979·Granted Mar 17, 1981·48 cites·28 claims
- 0289US4197837AInflatable-deflatable pad and air control system thereforAMERICAN HOSPITAL SUPPLY CORP·Filed 1979·Granted Apr 15, 1980·139 cites·42 claims
- 0386US4186732AMethod and apparatus for pulsing a blood flow stimulatorAMERICAN HOSPITAL SUPPLY CORP·Filed 1977·Granted Feb 5, 1980·86 cites·20 claims
- 0470USD265684SHypodermic needle destroyerAMERICAN HOSPITAL SUPPLY CORP·Filed 1979·Granted Aug 3, 1982·10 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →