Inventor · disambiguated record
Earl W. Clifford
Also filed as: CLIFFORD EARL W
7 granted patents·295 citations·filing 1974–1982
88Inventor score
Files withARO CORP7
Top patents by PatentIndex Score
7 records- 0182US4040428AControl valves for tracheotomy patient or laryngeal prosthesisARO CORP·Filed 1976·Granted Aug 9, 1977·136 cites·3 claims
- 0281US4205551ASeal testerARO CORP·Filed 1979·Granted Jun 3, 1980·37 cites·11 claims
- 0381US3952335ALaryngeal prosthesisARO CORP·Filed 1974·Granted Apr 27, 1976·48 cites·15 claims
- 0475US4385517AMethod and apparatus for measuring the permeability of a materialARO CORP·Filed 1981·Granted May 31, 1983·32 cites·10 claims
- 0565US4330428ASmoke generatorARO CORP·Filed 1981·Granted May 18, 1982·18 cites·11 claims
- 0651US4128451ARoller members for use in heat sealing apparatusARO CORP·Filed 1977·Granted Dec 5, 1978·14 cites·9 claims
- 0742US4478070AVacuum package tester and methodARO CORP·Filed 1982·Granted Oct 23, 1984·10 cites·17 claims
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