Inventor · disambiguated record
Richard C. Tringali
Also filed as: CHRISTOFFEL WILLIAM D · TRINGALI RICHARD C
5 granted patents·313 citations·filing 1974–1987
84Inventor score
Top patents by PatentIndex Score
5 records- 0196US4037291ACaster and swivel lock assemblyAMERICAN HOSPITAL SUPPLY CORP·Filed 1976·Granted Jul 26, 1977·86 cites·15 claims
- 0289US4197837AInflatable-deflatable pad and air control system thereforAMERICAN HOSPITAL SUPPLY CORP·Filed 1979·Granted Apr 15, 1980·139 cites·42 claims
- 0388US4716840ADrafting board with replaceable surface layerHAMILTON IND·Filed 1987·Granted Jan 5, 1988·62 cites·10 claims
- 0464US4269615AFilter assemblyAMERICAN HOSPITAL SUPPLY CORP·Filed 1977·Granted May 26, 1981·21 cites·4 claims
- 0536US3942421ASeal strips for fume hoodsAMERICAN HOSPITAL SUPPLY CORP·Filed 1974·Granted Mar 9, 1976·5 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →