John Hill

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Lake Villa, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
System and method of increasing battery life of a timekeeping device
- Patent number 8,369,186
- Issue date Feb 5, 2013
- Primex Wireless, Inc.
- Derek J. Brykowski
- G04 - HOROLOGY

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD OF INCREASING BATTERY LIFE OF A TIMEKEEPING DEVICE
- Publication number 20100177600
- Publication date Jul 15, 2010
- Derek J. Brykowski
- G04 - HOROLOGY