Granted Patent
Utility
US 4,406,375 · App. 06/165,627
Telescopic boom construction
Inventor:
John L. Hockensmith
Patented Case
View Patent ↗
Granted: Sep 27, 1983
Filed: Jul 2, 1980
Inventor
John L. Hockensmith
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.