Granted Patent
Utility
US 4,626,253 · App. 06/657,997
Surgical hemostat comprising oxidized cellulose
Inventor:
Cecil H. Broadnax, Jr.
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Oct 5, 1984
Inventor
Cecil H. Broadnax, Jr.
Assignee (at issue)
Johnson & Johnson Products, 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.