Granted Patent
Utility
US 4,658,820 · App. 06/704,188
Electrosurgical generator with improved circuitry for generating RF drive pulse trains
Inventor:
Michael S. Klicek
Patented Case
View Patent ↗
Granted: Apr 21, 1987
Filed: Feb 22, 1985
Inventor
Michael S. Klicek
Assignee (at issue)
Valleylab, 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.