Granted Patent
Utility
US 4,295,753 · App. 05/850,137
Torque transmitting apparatus
Inventors:
Adolf Luerken, William D. Vogel
Patented Case
View Patent ↗
Granted: Oct 20, 1981
Filed: Nov 10, 1977
Inventors
Adolf Luerken
William D. Vogel
Assignee (at issue)
McCulloch Corporation
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.