Granted Patent
Utility
US 4,944,919 · App. 07/054,786
Low temperature sterilizer
Inventor:
Anthony D. Powell
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: May 27, 1987
Inventor
Anthony D. Powell
Assignee (at issue)
MDT CO.,LTD.
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.