Granted Patent
Utility
US 6,819,981 · App. 10/419,396
Method and apparatus for setting speed/response performance parameters of a power driven wheelchair
Inventors:
Theodore D. Wakefield, II, Julie A. Jacono
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Apr 21, 2003
Inventors
Theodore D. Wakefield, II
Julie A. Jacono
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.