Granted Patent
Utility
US 4,877,927 · App. 07/334,311
Extended dwell shock sensing device
Inventor:
Daniel R. Reneau
Patented Case
View Patent ↗
Granted: Oct 31, 1989
Filed: Apr 6, 1989
Inventor
Daniel R. Reneau
Assignee (at issue)
Hamlin, 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.