Granted Patent
Utility
US 5,270,900 · App. 07/819,718
Solenoid response detector
Inventors:
Eric D. Alden, Mark D. Thompson, Ivan L. Harneck
Patented Case
View Patent ↗
Granted: Dec 14, 1993
Filed: Jan 13, 1992
Inventors
Eric D. Alden
Mark D. Thompson
Ivan L. Harneck
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.