Ralph F. Scott Jr.

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Coraopolis, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Roof bolt with helical coil and bail anchor
- Patent number 5,042,961
- Issue date Aug 27, 1991
- H&S Machine & Supply Co., Inc.
- Ralph F. Scott
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coated washer for an anchor bolt system
- Patent number 4,984,938
- Issue date Jan 15, 1991
- H&S Machine & Supply Company, Inc.
- Ralph F. Scott
- E21 - EARTH DRILLING MINING