Wayne W. Ballard

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Nicholasville, KY, US

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Patents Grantslast 30 patents

Information Patent Grant
Electronic time lock
- Patent number 4,875,351
- Issue date Oct 24, 1989
- Sargent & Greenleaf, Inc.
- Walter R. Evans
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES