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Robert G. Weidhaas Sr.
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Overland Park, KS, US
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last 30 patents
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Patent Grant
Clamshell press having shiftable honeycomb chase
Patent number
5,997,453
Issue date
Dec 7, 1999
Preco Industries, Inc.
Robert G. Weidhaas
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...