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Patents Grantslast 30 patents

Information Patent Grant
Aluminum coil annealing tray support pad
- Patent number 5,383,651
- Issue date Jan 24, 1995
- Pyrotek, Inc.
- John E. Blasen
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for retaining the configuration of an aperture formed thr...
- Patent number 4,925,390
- Issue date May 15, 1990
- Aluminum Company of America
- Thomas J. Roman
- C21 - METALLURGY OF IRON
Information Patent Grant
Method for retaining the configuration of an aperture formed throug...
- Patent number 4,793,801
- Issue date Dec 27, 1988
- Aluminum Company of America
- Thomas J. Roman
- C21 - METALLURGY OF IRON
Information Patent Grant
3638930
- Patent number 3,638,930
- Issue date Feb 1, 1972
- C21 - METALLURGY OF IRON