Granted Patent
Utility
US 4,606,369 · App. 06/750,798
Manually-operable fluid pressure regulating valve device
Inventor:
Albert A. McKay
Patented Case
View Patent ↗
Granted: Aug 19, 1986
Filed: Jul 1, 1985
Inventor
Albert A. McKay
Assignee (at issue)
WABCO GmbH
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.