Granted Patent
Utility
US 4,513,739 · App. 06/466,770
Wound dressing
Inventor:
Owen L. Johns
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Feb 15, 1983
Inventor
Owen L. Johns
Assignee (at issue)
Howmedica 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.