Henry M. Johnson

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Loysville, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cutting machine and a method for its use
- Patent number 5,415,495
- Issue date May 16, 1995
- Surface Preparation Technologies, Inc.
- Henry M. Johnson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Multi-head cutting tool and method for its use
- Patent number 5,094,565
- Issue date Mar 10, 1992
- Surface Preparation Technologies, Inc.
- Henry M. Johnson
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES