Granted Patent
Utility
US 4,489,654 · App. 06/462,857
Hydrodynamic firing pin
Inventors:
Peter H. Van Sloun, James C. Hall
Patented Case
View Patent ↗
Granted: Dec 25, 1984
Filed: Feb 1, 1983
Inventors
Peter H. Van Sloun
James C. Hall
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.