Granted Patent
Utility
US 6,604,020 · App. 09/534,658
Teach tool
Inventors:
Mark W. Simpson, Anthony J. Osborne, John R. LeBlanc, Michael Roy
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Mar 24, 2000
Inventors
Mark W. Simpson
Anthony J. Osborne
John R. LeBlanc
Michael Roy
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.