Granted Patent
Utility
US 4,606,237 · App. 06/501,071
Control device
Inventor:
David J. Crack
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Jun 6, 1983
Inventor
David J. Crack
Assignee (at issue)
Teleflex Morse Limited
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.