Owen E. Hearold

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Minden, NV, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for securing doors, and the like
- Patent number 4,472,143
- Issue date Sep 18, 1984
- Harvey G. Bennett
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Holder and release device for a chain lock
- Patent number D274124
- Issue date Jun 5, 1984
- Harvey G. Bennett
- D08 - Tools and hardware
Information Patent Grant
Illuminating method and apparatus for carpenter's or mechanic's levels
- Patent number 4,392,184
- Issue date Jul 5, 1983
- Owen E. Hearold
- G01 - MEASURING TESTING