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Alvin A. Choma
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Grosse Pointe Farms, MI, US
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last 30 patents
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Patent Grant
Interaxle differential
Patent number
5,067,935
Issue date
Nov 26, 1991
Dyneer Corporation
Anthony K. Brown
B60 - VEHICLES IN GENERAL
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Patent Grant
Differential apparatus with side-gear-centered center cam
Patent number
4,644,818
Issue date
Feb 24, 1987
Tractech, Inc.
Alvin A. Choma
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...