Granted Patent
Utility
US 4,515,255 · App. 06/405,797
Hydraulic control system for a clutch and transmission
Inventors:
William J. Haley, Guenter Neumann
Patented Case
View Patent ↗
Granted: May 7, 1985
Filed: Aug 6, 1982
Inventors
William J. Haley
Guenter Neumann
Assignee (at issue)
BorgWarner Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.