Granted Patent
Utility
US 6,736,006 · App. 10/039,080
Level detector for a material in a container
Inventor:
Herman Arias
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Dec 31, 2001
Inventor
Herman Arias
Assignee (at issue)
TRN Business Trust
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.