Granted Patent
Utility
US 6,305,515 · App. 09/357,488
Hydraulically actuated power takeoff clutch assembly
Inventors:
David C. Heidenreich, Robert E. Herchick, Joseph W. Guinter
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Jul 20, 1999
Inventors
David C. Heidenreich
Robert E. Herchick
Joseph W. Guinter
Assignee (at issue)
Power Transmission Technology, 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.