Thomas A. Mefferd

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Murrells Inlet, SC, US

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Patents Grantslast 30 patents

Information Patent Grant
Air lifting and balancing unit
- Patent number 5,556,077
- Issue date Sep 17, 1996
- Columbus McKinnon Corporation
- Robert O. Braesch
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Air lifting and balancing unit with constant force pneumatic circuit
- Patent number 5,520,368
- Issue date May 28, 1996
- Columbus McKinnon Corporation
- Robert O. Braesch
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Pneumatic control circuit for applying constant force
- Patent number 5,517,821
- Issue date May 21, 1996
- Columbus McKinnon Corporation
- Robert O. Braesch
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Air lifting and balancing unit
- Patent number 5,439,200
- Issue date Aug 8, 1995
- Columbus McKinnon Corporation
- Robert O. Braesch
- B66 - HOISTING LIFTING HAULING