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Donald C. Barrett
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Camarillo, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Voltage regulator and control circuit for silver-zinc batteries in...
Patent number
10,368,166
Issue date
Jul 30, 2019
ZPower, LLC
Troy W. Renken
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Hearing aid battery door module
Patent number
10,057,695
Issue date
Aug 21, 2018
ZPower, LLC
Troy W. Renken
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
PC cards with integrated I/O communication receptacles
Patent number
6,183,307
Issue date
Feb 6, 2001
Xircom, Inc.
Ian A. Laity
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ratiometric compensated optical isolation coupler
Patent number
5,949,085
Issue date
Sep 7, 1999
Xircom, Inc.
Donald C. Barrett
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
WEARABLE BATTERY CHARGING TECHNOLOGY FOR RECHARGEABLE HEARING AID B...
Publication number
20190207402
Publication date
Jul 4, 2019
ZPOWER, LLC
Troy W. RENKEN
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
HEARING AID BATTERY DOOR MODULE
Publication number
20170134869
Publication date
May 11, 2017
ZPOWER, LLC
Troy W. Renken
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
VOLTAGE REGULATOR AND CONTROL CIRCUIT FOR SILVER-ZINC BATTERIES IN...
Publication number
20170118558
Publication date
Apr 27, 2017
ZPOWER, LLC
Troy W. Renken
H04 - ELECTRIC COMMUNICATION TECHNIQUE