Granted Patent
Utility
US 6,663,610 · App. 09/710,288
Smoke evacuation system
Inventors:
Barry M. Thompson, Jeffrey K. Drogue
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Nov 10, 2000
Inventors
Barry M. Thompson
Jeffrey K. Drogue
Assignee (at issue)
Leonard S. Schultz, M.D.
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.