Granted Patent
Utility
US 5,989,852 · App. 09/184,352
Indicator systems for determination of sterilization
Inventors:
Judy K. Hendricks, Shaundrea L. Rechsteiner, Joel R. Gorski
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Nov 2, 1998
Inventors
Judy K. Hendricks
Shaundrea L. Rechsteiner
Joel R. Gorski
Assignee (at issue)
North American Science Associates
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.