Granted Patent
Utility
US 4,476,680 · App. 06/066,499
Pressure override control
Inventors:
Frederic W. Pollman, Stanley W. Crull
Patented Case
View Patent ↗
Granted: Oct 16, 1984
Filed: Aug 14, 1979
Inventors
Frederic W. Pollman
Stanley W. Crull
Assignee (at issue)
Sundstrand 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.