Granted Patent
Utility
US 5,256,138 · App. 07/592,810
Electrosurgical handpiece incorporating blade and conductive gas functionality
Inventors:
Paul P. Burek, William Bowers
Patented Case
View Patent ↗
Granted: Oct 26, 1993
Filed: Oct 4, 1990
Inventors
Paul P. Burek
William Bowers
Assignee (at issue)
The Birtcher Corporation
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.