Granted Patent
Utility
US 6,250,661 · App. 09/191,295
Tilt system for a powered wheelchair seat
Inventors:
Paul C. Dickie, James M. Koerlin
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Nov 13, 1998
Inventors
Paul C. Dickie
James M. Koerlin
Assignee (at issue)
Sunrise Medical HHG, Inc.
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.