Granted Patent
Utility
US 5,498,526 · App. 08/111,989
Bacillus circulans based biological indicator for gaseous sterilants
Inventors:
Ross A. Caputo, Phillip A. Martens
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Aug 25, 1993
Inventors
Ross A. Caputo
Phillip A. Martens
Assignee (at issue)
AbTox, 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.