Inventor · disambiguated record
Ronald D. Irvin
Also filed as: IRVIN RONALD · IRVIN RONALD D
11 granted patents·297 citations·filing 1975–2003
91Inventor score
Top patents by PatentIndex Score
11 records- 0196USD352778SMultichannel infusion pump for sequencing IV fluids to a patientIMED CORP·Filed 1993·Granted Nov 22, 1994·86 cites·1 claims
- 0292US4954046APeristaltic pump with mechanism for maintaining linear flowIMED CORP·Filed 1989·Granted Sep 4, 1990·94 cites·17 claims
- 0379USD267662SToy tape recorderQUAKER OATS CO·Filed 1980·Granted Jan 18, 1983·16 cites·1 claims
- 0475US6910293B1Advertising panel for conveyorFiled 2003·Granted Jun 28, 2005·20 cites·5 claims
- 0570US4302866AReleasable hinge for swingable portions of a containerQUAKER OATS CO·Filed 1980·Granted Dec 1, 1981·38 cites·4 claims
- 0661US4609958APrecision bearing for reciprocating a magnetic headCIPHER DATA PROD·Filed 1984·Granted Sep 2, 1986·11 cites·19 claims
- 0757US4785363ACartridge alignment mechanism for tape driveCIPHER DATA PROD·Filed 1986·Granted Nov 15, 1988·11 cites·16 claims
- 0855US3952170AMiniature apparatus for reproducing sound from a stationary recordMONTRON CORP·Filed 1975·Granted Apr 20, 1976·9 cites·19 claims
- 0951US4298976AMicrophonograph recordIRVIN RONALD D·Filed 1977·Granted Nov 3, 1981·8 cites·3 claims
- 1040US4303999APhonograph having an improved tone arm assemblyQUAKER OATS CO·Filed 1980·Granted Dec 1, 1981·4 cites·10 claims
- 1129US4301529ADrive control mechanism for a phonographQUAKER OATS CO·Filed 1980·Granted Nov 17, 1981·0 cites·3 claims
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