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Donovan J. Zollinger
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Saginaw, MI, US
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last 30 patents
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Patent Grant
Boot bushing for constant velocity universal joint
Patent number
5,529,538
Issue date
Jun 25, 1996
General Motors Corporation
John F. Schulz
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Protective cover for universal joint seal boot
Patent number
5,312,300
Issue date
May 17, 1994
General Motors Corporation
Michael McGregor
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Convoluted boot seal with low friction and high wall strength
Patent number
5,098,344
Issue date
Mar 24, 1992
General Motors Corporation
Donovan J. Zollinger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Convoluted boot seal with anti-abrasion side wall ribs
Patent number
4,957,469
Issue date
Sep 18, 1990
General Motors Corporation
Donovan J. Zollinger
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...