Granted Patent
Utility
US 6,740,840 · App. 10/161,027
Weld electrode for detecting a misoriented weld nut
Inventors:
Feng Cao, James Norman
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Jun 3, 2002
Inventors
Feng Cao
James Norman
Assignee (at issue)
Daimlerchrysler AG
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.