Granted Patent
Utility
US 5,961,561 · App. 08/911,492
Method and apparatus for remote maintenance, troubleshooting, and repair of a motorized wheelchair
Inventor:
Theodore D. Wakefield, II
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Aug 14, 1997
Inventor
Theodore D. Wakefield, II
Assignee (at issue)
INVACARE 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.