Blair T. Allison

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Grove City, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Forming of hollow extrusions with double plane bends and twists
- Patent number 6,260,398
- Issue date Jul 17, 2001
- Alcoa Inc.
- Larry W. Cisko
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of gripping tubular members during forming operations and as...
- Patent number 5,848,546
- Issue date Dec 15, 1998
- Aluminum Company of America
- Blair T. Allison
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Apparatus for forming elongated metal articles and related method
- Patent number 5,836,193
- Issue date Nov 17, 1998
- Aluminum Company of America
- Daniel E. Hunter
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Process for stretch forming hollow metal bodies
- Patent number 5,737,953
- Issue date Apr 14, 1998
- Aluminum Company of America
- Blair T. Allison
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...