Randall L. Grunwell

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Suwanee, GA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spurious-response interference tester
- Patent number 6,813,477
- Issue date Nov 2, 2004
- Matsushita Mobile Communication Development Corporation
- Eldridge E. Harris
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Transceiver having retractable antenna assembly
- Patent number 5,635,943
- Issue date Jun 3, 1997
- Matsushita Communication Industrial Corp. of America
- Randall L. Grunwell
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Filter having a variable response time for filtering an input signal
- Patent number 5,499,392
- Issue date Mar 12, 1996
- Matsushita Communication Industrial Corporation of America
- Randall L. Grunwell
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Ultrasonic radiotelephone for an automobile
- Patent number 5,410,587
- Issue date Apr 25, 1995
- Matsushita Communication Industrial Corp. of America
- Randall L. Grunwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE