Granted Patent
Utility
US 5,085,004 · App. 07/546,074
Window lift mechanism
Inventor:
Gregory M. Beauprez
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jun 29, 1990
Inventor
Gregory M. Beauprez
Assignee (at issue)
United Technologies Motor Systems, 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.