Granted Patent
Utility
US 5,973,999 · App. 08/939,265
Acoustic cannon
Inventors:
John T. Naff, James Howard Shea
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Sep 29, 1997
Inventors
John T. Naff
James Howard Shea
Assignee (at issue)
Maxwell Technologies Systems Division, 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.