Granted Patent
Utility
US 4,414,533 · App. 06/272,600
Clutch release mechanisms
Inventors:
Brian A. Scott, Robert C. Duncan
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: Jun 11, 1981
Inventors
Brian A. Scott
Robert C. Duncan
Assignee (at issue)
David Brown Tractors Ltd.
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.