Granted Patent
Utility
US 5,560,627 · App. 08/152,514
Low cost wheelchair
Inventors:
Leonid Zatulovsky, Curtis A. Robinson, Sr., Robert W. Renolds, Jr., Robert Dingley, David St. George
Patented Case
View Patent ↗
Granted: Oct 1, 1996
Filed: Nov 16, 1993
Inventors
Leonid Zatulovsky
Curtis A. Robinson, Sr.
Robert W. Renolds, Jr.
Robert Dingley
David St. George
Assignee (at issue)
Guardian Products, 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.