Granted Patent
Utility
US 5,855,570 · App. 08/753,421
Oxygen producing bandage
Inventors:
Daniel A. Scherson, Melvyn I. Burk
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Nov 25, 1996
Inventors
Daniel A. Scherson
Melvyn I. Burk
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.