Granted Patent
Utility
US 5,182,965 · App. 07/787,036
Adjustable length handle comprising automatically adjustable length mechanical power transmission
Inventor:
Donald M. MacMillan
Patented Case
View Patent ↗
Granted: Feb 2, 1993
Filed: Nov 4, 1991
Inventor
Donald M. MacMillan
Assignee (at issue)
Concorde Tool Corp.
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.