Granted Patent
Utility
US 5,345,070 · App. 08/021,507
Radio frequency tubing sealer
Inventors:
Dennis J. Hlavinka, Frank Corbin, III, Robert L. White
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Feb 23, 1993
Inventors
Dennis J. Hlavinka
Frank Corbin, III
Robert L. White
Assignee (at issue)
Cobe Laboratories, 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.