Granted Patent
Utility
US 5,160,334 · App. 07/693,560
Electrosurgical generator and suction apparatus
Inventors:
R. Gail Billings, William D. Wallace, Christopher A. Cutler, B. Tod Cook
Patented Case
View Patent ↗
Granted: Nov 3, 1992
Filed: Apr 30, 1991
Inventors
R. Gail Billings
William D. Wallace
Christopher A. Cutler
B. Tod Cook
Assignee (at issue)
UTAH MEDICAL PRODUCTS, 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.