Granted Patent
Utility
US 6,452,487 · App. 09/503,466
System and method for warning of a tip over condition in a tractor trailer or tanker
Inventor:
Stanley Krupinski
Patented Case
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Granted: Sep 17, 2002
Filed: Feb 14, 2000
Inventor
Stanley Krupinski
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.