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Charles A. Lavens
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Oglesby, IL, US
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last 30 patents
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Patent Grant
Apparatus for controlling movement of four-wheel trailer
Patent number
8,061,489
Issue date
Nov 22, 2011
Cal Manufacturing, Inc.
Charles A. Lavens
B60 - VEHICLES IN GENERAL
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Patent Grant
Hitch apparatus for a steerable towed vehicle
Patent number
4,260,174
Issue date
Apr 7, 1981
Charles A. Lavens
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS