Granted Patent
Utility
US 5,693,331 · App. 08/621,556
Liquid bait station
Inventor:
James B. Ballard
Patented Case
View Patent ↗
Granted: Dec 2, 1997
Filed: Mar 25, 1996
Inventor
James B. Ballard
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.