Granted Patent
Utility
US 6,140,925 · App. 09/272,438
Magnetically actuated float switch
Inventors:
Rory G. Lee, Alan J. Bergum
Patented Case
View Patent ↗
Granted: Oct 31, 2000
Filed: Mar 19, 1999
Inventors
Rory G. Lee
Alan J. Bergum
Assignee (at issue)
S.J. Electro Systems, 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.