Chris W. Papalias

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Redwood City, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Hearing aid having digital damping
- Patent number 6,466,678
- Issue date Oct 15, 2002
- Etymotic Research, Inc.
- Mead C. Killion
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for a clock period subdivider
- Patent number 6,407,596
- Issue date Jun 18, 2002
- National Semiconductor Corporation
- Robert Callaghan Taft
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Damper for hearing aid
- Patent number 6,047,075
- Issue date Apr 4, 2000
- Etymotic Research
- Mead Killion
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electronic damper circuit for a hearing aid and a method of using t...
- Patent number 5,812,679
- Issue date Sep 22, 1998
- Mead Killion
- H04 - ELECTRIC COMMUNICATION TECHNIQUE