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Peter H. Bruhn
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Round Rock, TX, US
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last 30 patents
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Patent Grant
Replaceable head for magnetic repulsion punch
Patent number
5,079,983
Issue date
Jan 14, 1992
International Business Machines Corporation
Peter H. Bruhn
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Integrated circuit package with improved cooling means
Patent number
4,970,579
Issue date
Nov 13, 1990
International Business Machines Corp.
Brian D. Arldt
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tab device excise and lead form apparatus
Patent number
4,877,174
Issue date
Oct 31, 1989
International Business Machines Corporation
Peter H. Bruhn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for stacking rotor blanks on a shaft
Patent number
4,445,272
Issue date
May 1, 1984
International Business Machines Corporation
Peter H. Bruhn
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...