Granted Patent
Utility
US 6,003,468 · App. 09/113,713
Animal watering valve with deflectable elastomeric boot
Inventors:
William E. Edstrom, Sr., Peter S. Planton
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Jul 10, 1998
Inventors
William E. Edstrom, Sr.
Peter S. Planton
Assignee (at issue)
Edstrom Industries, LLC
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.