Granted Patent
Utility
US 5,156,680 · App. 07/738,012
Flow restrictor for a fluid
Inventor:
Thomas W. Orzechowski
Patented Case
View Patent ↗
Granted: Oct 20, 1992
Filed: Jul 30, 1991
Inventor
Thomas W. Orzechowski
Assignee (at issue)
Rockwell International 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.