Granted Patent
Utility
US 6,523,437 · App. 09/741,658
Device having a motor and having a controllable intermediate transmission gear for driving a plurality of drive wheels of the device
Inventor:
Christoph Potakowskyj
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Dec 19, 2000
Inventor
Christoph Potakowskyj
Assignee (at issue)
Sagem SA
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.