Granted Patent
Utility
US 5,724,912 · App. 08/538,910
Apparatus and method for sensing the level of a fluent solid material
Inventor:
Thomas J. Cull
Patented Case
View Patent ↗
Granted: Mar 10, 1998
Filed: Oct 4, 1995
Inventor
Thomas J. Cull
Assignee (at issue)
The GSI Group, LLC
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.