Granted Patent
Utility
US 4,834,712 · App. 07/144,470
Tube fixation device
Inventors:
David G. Quinn, Robert B. Edwards, II, Erik Andersen, Michael Thompson
Patented Case
View Patent ↗
Granted: May 30, 1989
Filed: Jan 15, 1988
Inventors
David G. Quinn
Robert B. Edwards, II
Erik Andersen
Michael Thompson
Assignee (at issue)
Corpak, 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.