Granted Patent
Utility
US 4,831,932 · App. 07/085,921
Detonator
Inventors:
Mark A. Bayerkohler, William O. Maruska
Patented Case
View Patent ↗
Granted: May 23, 1989
Filed: Aug 17, 1987
Inventors
Mark A. Bayerkohler
William O. Maruska
Assignee (at issue)
Honeywell Limited
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.