IP Library › Granted Patent US 6,003,780
Granted Patent Utility
US 6,003,780 · App. 09/139,800

Freezeproof valve assembly for a drinking fountain

Inventors: Albert G. Gurries, II, Sam T. Hong
Patented Case View Patent ↗
Granted: Dec 21, 1999 Filed: Aug 25, 1998
Inventors
Albert G. Gurries, II
Sam T. Hong
Assignee (at issue)
Haws Company, A Nevada 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.

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 6,003,780
App. No.
09/139,800
Filed
1998-08-25
Granted
1999-12-21
Kind
A