Granted Patent
Utility
US 5,590,893 · App. 08/365,261
Wheelchair frame assembly
Inventors:
William G. Robinson, James Christopher Thorpe
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Dec 28, 1994
Inventors
William G. Robinson
James Christopher Thorpe
Assignee (at issue)
No Limit Designs, 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.