Douglas J. Robbins

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Hamilton, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Thermoplastic acrylic coated steel sheet
- Patent number 5,248,528
- Issue date Sep 28, 1993
- Armco Steel Company, L.P.
- Douglas J. Robbins
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Thermoplastic acrylic coated steel sheet
- Patent number 5,151,297
- Issue date Sep 29, 1992
- Armco Steel Company, L.P.
- Douglas J. Robbins
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Apparatus for producing one-side electroplated steel strip with enh...
- Patent number 4,814,054
- Issue date Mar 21, 1989
- Armco Inc.
- Timothy R. Roberts
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method and apparatus for producing one-side electroplated steel str...
- Patent number 4,808,278
- Issue date Feb 28, 1989
- Armco Inc.
- Timothy R. Roberts
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR