Granted Patent
Utility
US 6,505,810 · App. 09/887,532
Pinch valve arrangement for flow control
Inventor:
Andre T. Abromaitis
Patented Case
View Patent ↗
Granted: Jan 14, 2003
Filed: Jun 22, 2001
Inventor
Andre T. Abromaitis
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.