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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Petzold; Werner Paul
Address:
Harwood Heights, IL
No. of patents:
1
Patents:












Patent Number Title Of Patent Date Issued
4102222 Transmission control system July 25, 1978
A control system changes the gear ratio in an automatic transmission when engine torque is transferred from one member to another member of a three member planetary gear set. This transfer is accomplished through friction elements engaged and released by hydraulic pressure, without the u










 
 
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