Granted Patent
Utility
US 4,643,087 · App. 06/815,910
Process for monitoring the fullness of a compactor
Inventors:
Gordon H. Fenner, Ronald L. Brown
Patented Case
View Patent ↗
Granted: Feb 17, 1987
Filed: Jan 3, 1986
Inventors
Gordon H. Fenner
Ronald L. Brown
Assignee (at issue)
Marathon Partners
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.