IP Library Granted Patent US 4,421,060
Granted Patent Utility
US 4,421,060 · App. 06/304,843

Nipple waterer

Inventors: Don R. Frush, Keith Coffman
Patented Case View Patent ↗
Granted: Dec 20, 1983 Filed: Sep 23, 1981
Inventors
Don R. Frush
Keith Coffman
Assignee (at issue)
Chore-Time Equipment, Inc.

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.

Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 4,421,060
App. No.
06/304,843
Filed
1981-09-23
Granted
1983-12-20
Kind
A