Granted Patent
Utility
US 5,877,693 · App. 08/084,419
Method and apparatus for measuring the length of a multi-section telescopic boom
Inventor:
Francis R. Eyler
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: May 27, 1998
Inventor
Francis R. Eyler
Assignee (at issue)
GROVE U.S. L.L.C.
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.