Granted Patent
Utility
US 6,202,773 · App. 09/365,276
Motorized wheelchairs
Inventors:
Joseph B. Richey, II, Theodore D. Wakefield, II
Patented Case
View Patent ↗
Granted: Mar 20, 2001
Filed: Jul 30, 1999
Inventors
Joseph B. Richey, II
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.