Granted Patent
Utility
US 5,425,570 · App. 08/193,233
Method and apparatus for plasma blasting
Inventor:
Gregory M. Wilkinson
Patented Case
View Patent ↗
Granted: Jun 20, 1995
Filed: Jan 21, 1994
Inventor
Gregory M. Wilkinson
Assignee (at issue)
Maxwell Laboratories, 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.