Granted Patent
Utility
US 6,289,263 · App. 09/211,346
Spherical mobile robot
Inventor:
Ranjan Mukherjee
Patented Case
View Patent ↗
Granted: Sep 11, 2001
Filed: Dec 15, 1998
Inventor
Ranjan Mukherjee
Assignee (at issue)
Board of Trustees Operating Michigan State University
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.