Inventor · disambiguated record
Randall L. Grunwell
Also filed as: GRUNWELL RANDALL L
6 granted patents·228 citations·filing 1990–2001
87Inventor score
Files withMATSUSHITA COMMUNICATION IND3GRUNWELL RANDALL L1MATSUSHITA MOBILE COMM DEV CORP1MOTOROLA INC1
Top patents by PatentIndex Score
6 records- 0188US5140288AWide band transmission line impedance matching transformerMOTOROLA INC·Filed 1991·Granted Aug 18, 1992·55 cites·7 claims
- 0279US5499392AFilter having a variable response time for filtering an input signalMATSUSHITA COMMUNICATION IND·Filed 1994·Granted Mar 12, 1996·33 cites·14 claims
- 0377US6813477B1Spurious-response interference testerMATSUSHITA MOBILE COMM DEV CORP·Filed 2001·Granted Nov 2, 2004·34 cites·46 claims
- 0468US5119048APseudo tapered lines using modified ground planesGRUNWELL RANDALL L·Filed 1990·Granted Jun 2, 1992·27 cites·6 claims
- 0559US5635943ATransceiver having retractable antenna assemblyMATSUSHITA COMMUNICATION IND·Filed 1995·Granted Jun 3, 1997·29 cites·14 claims
- 0656US5410587AUltrasonic radiotelephone for an automobileMATSUSHITA COMMUNICATION IND·Filed 1993·Granted Apr 25, 1995·50 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →