Granted Patent
Utility
US 4,455,917 · App. 06/357,933
Shock wave end cap removal device
Inventor:
Richard Shook
Patented Case
View Patent ↗
Granted: Jun 26, 1984
Filed: Mar 15, 1982
Inventor
Richard Shook
Assignee (at issue)
General Dynamics Corp., Pomona Division
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.