Granted Patent
Utility
US 6,112,254 · App. 09/011,136
Method of detecting characteristics of liquids in pipes and pump controlling
Inventors:
Bogdan Cherek, John J. Lee
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Jul 30, 1998
Inventors
Bogdan Cherek
John J. Lee
Assignee (at issue)
Milltronics 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.