Granted Patent
Utility
US 4,743,537 · App. 06/942,506
Biological indicator for sterilization processes
Inventors:
Patrick J. McCormick, John Scoville
Patented Case
View Patent ↗
Granted: May 10, 1988
Filed: Dec 24, 1986
Inventors
Patrick J. McCormick
John Scoville
Assignee (at issue)
Castle, 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.