Granted Patent
Utility
US 5,740,887 · App. 08/588,371
Drive system for vertical mast personnel lift
Inventors:
Mark R. Unger, Brian M. Boeckman
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Jan 18, 1996
Inventors
Mark R. Unger
Brian M. Boeckman
Assignee (at issue)
JLG Industries, 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.