Granted Patent
Utility
US 4,624,256 · App. 06/774,636
Caprolactone polymers for suture coating
Inventors:
Kenneth Messier, Joseph D. Rhum
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Sep 11, 1985
Inventors
Kenneth Messier
Joseph D. Rhum
Assignee (at issue)
Pfizer Hospital Products Group, 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.