Granted Patent
Utility
US 4,385,880 · App. 06/074,388
Shock wave processing apparatus
Inventor:
Jerome H. Lemelson
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Sep 10, 1979
Inventor
Jerome H. Lemelson
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.