Granted Patent
Utility
US 4,413,621 · App. 06/329,970
Film dressing
Inventors:
Robert W. McCracken, James DELLAS
Patented Case
View Patent ↗
Granted: Nov 8, 1983
Filed: Dec 11, 1981
Inventors
Robert W. McCracken
James DELLAS
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.