Granted Patent
Utility
US 6,293,142 · App. 09/134,056
Electromagnetic method of liquid level monitoring
Inventors:
Yuriy Nikitich Pchelnikov, David S. Nyce
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Aug 14, 1998
Inventors
Yuriy Nikitich Pchelnikov
David S. Nyce
Assignee (at issue)
MTS SYSTEMS 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.