Granted Patent
Utility
US 6,409,728 · App. 09/629,670
Rotatable bipolar forceps
Inventors:
Chris J. Ehr, Heinz Hluchy, Valintina Arroyo
Patented Case
View Patent ↗
Granted: Jun 25, 2002
Filed: Aug 1, 2000
Inventors
Chris J. Ehr
Heinz Hluchy
Valintina Arroyo
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.