Granted Patent
Utility
US 4,777,137 · App. 06/691,687
Method and apparatus for microbiological testing of liquids
Inventor:
Jean Lemonnier
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Jan 15, 1985
Inventor
Jean Lemonnier
Assignee (at issue)
Millipore Corporation
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.