Granted Patent
Utility
US 5,850,783 · App. 08/656,797
Drenching apparatus
Inventors:
Clint P. Arrington, D. Frank Kelsey
Patented Case
View Patent ↗
Granted: Dec 22, 1998
Filed: May 31, 1996
Inventors
Clint P. Arrington
D. Frank Kelsey
Assignee (at issue)
FMC CORPORATION
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.