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Richard Keller
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Deer Creek, IL, US
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last 30 patents
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Patent Grant
No-bounce tailgate assembly
Patent number
5,249,843
Issue date
Oct 5, 1993
LeRoy G. Hagenbuch
B60 - VEHICLES IN GENERAL
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Patent Grant
No-bounce tailgate assembly
Patent number
5,174,632
Issue date
Dec 29, 1992
Philippi-Hagenbuch, Inc.
LeRoy G. Hagenbuch
B60 - VEHICLES IN GENERAL