Robert A. Walz

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Dayton, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for repairing a crack in a pane of plate glass
- Patent number 4,073,094
- Issue date Feb 14, 1978
- Robert A. Walz
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Method of repairing a crack in a pane of plate glass
- Patent number 3,986,913
- Issue date Oct 19, 1976
- Robert A. Walz
- B28 - WORKING CEMENT, CLAY, OR STONE