Granted Patent
Utility
US 4,971,764 · App. 07/019,344
Method and apparatus for venting sterilizers having a liquid load
Inventor:
Donald W. Albright
Patented Case
View Patent ↗
Granted: Nov 20, 1990
Filed: Feb 26, 1987
Inventor
Donald W. Albright
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.