Granted Patent
Utility
US 6,796,981 · App. 10/073,761
Vessel sealing system
Inventors:
Robert H. Wham, Steven P. Buysse, James H. Orszulak
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Feb 11, 2002
Inventors
Robert H. Wham
Steven P. Buysse
James H. Orszulak
Assignee (at issue)
SHERWOOD SERVICES AG
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.