Oscar W. Hahn

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Remote controlled clamshell bucket apparatus and method of using same
- Patent number 4,381,872
- Issue date May 3, 1983
- McGinnes Manufacturing Company
- Oscar W. Hahn
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Hydraulic apparatus for grab device
- Patent number 3,985,384
- Issue date Oct 12, 1976
- McGinnes Manufacturing Company
- Oscar W. Hahn
- B66 - HOISTING LIFTING HAULING