Granted Patent
Utility
US 4,331,952 · App. 06/189,609
Redundant sensor adapter
Inventors:
Aaron A. Galvin, Kevin Flynn
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Sep 22, 1980
Inventors
Aaron A. Galvin
Kevin Flynn
Assignee (at issue)
American District Telegraph Company
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.