Granted Patent
Utility
US 5,069,162 · App. 07/527,614
Teat cup inflation
Inventors:
Paul D. Thompson, Gary C. Steingraber
Patented Case
View Patent ↗
Granted: Dec 3, 1991
Filed: May 23, 1990
Inventors
Paul D. Thompson
Gary C. Steingraber
Assignee (at issue)
DEC International, 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.