Granted Patent
Utility
US 5,842,437 · App. 08/958,953
Animal waterer
Inventor:
Mary V. Burns
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Oct 28, 1997
Inventor
Mary V. Burns
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.