Granted Patent
Utility
US 4,651,676 · App. 06/804,587
Silicone milking unit
Inventor:
Steven J. Kupres
Patented Case
View Patent ↗
Granted: Mar 24, 1987
Filed: Dec 4, 1985
Inventor
Steven J. Kupres
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.