Richard Lance Willis

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Lauderhill, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Audio porting assembly
- Patent number 7,668,332
- Issue date Feb 23, 2010
- Motorola, Inc.
- William R. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive equalizer for variable length sound tubes utilizing an aco...
- Patent number 7,016,503
- Issue date Mar 21, 2006
- Motorola, Inc.
- Richard Lance Willis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive equalizer for variable length sound tubes utilizing an ele...
- Patent number 6,651,501
- Issue date Nov 25, 2003
- Motorola, Inc.
- Richard Lance Willis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Audio porting assembly
- Publication number 20070092097
- Publication date Apr 26, 2007
- William R. Williams
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Adaptive equalizer for variable length sound tubes utilizing an aco...
- Publication number 20040125963
- Publication date Jul 1, 2004
- Richard Lance Willis
- H04 - ELECTRIC COMMUNICATION TECHNIQUE