Granted Patent
Utility
US 5,200,736 · App. 07/763,190
Assembly for monitoring helmet thermal conditions
Inventors:
Christopher E. Coombs, Gene Keohane, Robert M. Armstrong, Robert E. Gray
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Sep 20, 1991
Inventors
Christopher E. Coombs
Gene Keohane
Robert M. Armstrong
Robert E. Gray
Assignee (at issue)
Cairns & Brother 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.