Granted Patent
Utility
US 5,261,313 · App. 07/919,468
Plunger for a control valve with variable reaction force
Inventor:
Linda S. Yared
Patented Case
View Patent ↗
Granted: Nov 16, 1993
Filed: Jul 24, 1992
Inventor
Linda S. Yared
Assignee (at issue)
AlliedSignal, 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.