Granted Patent
Utility
US 6,523,629 · App. 09/746,726
Tandem mobile robot system
Inventors:
James H. Buttz, David L. Shirey, David R. Hayward
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Dec 21, 2000
Inventors
James H. Buttz
David L. Shirey
David R. Hayward
Assignee (at issue)
Sandia Corporation
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.