Granted Patent
Utility
US 5,748,562 · App. 08/841,991
Level detector for solids
Inventors:
Bogdan Cherek, Jean-Pierre Pawliw
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Apr 8, 1997
Inventors
Bogdan Cherek
Jean-Pierre Pawliw
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.