Granted Patent
Utility
US 5,937,899 · App. 09/037,461
Farm coupling including a vent valve
Inventor:
Dennis Zeiber
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Mar 10, 1998
Inventor
Dennis Zeiber
Assignee (at issue)
SNAP-TITE TECHNOLOGIES, 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.