Granted Patent
Utility
US 6,090,094 · App. 08/726,149
Ball valves and uses thereof including endoscopic surgical instruments
Inventors:
Richard A. Clifford, Jr., Anthony Scappaticci
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Oct 4, 1996
Inventors
Richard A. Clifford, Jr.
Anthony Scappaticci
Assignee (at issue)
MicroGroup, 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.