Granted Patent
Utility
US 6,444,932 · App. 09/937,405
Safety switch
Inventor:
Monia Resmalm
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Sep 26, 2001
Inventor
Monia Resmalm
Assignee (at issue)
ABB AB
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.