Granted Patent
Utility
US 5,579,793 · App. 08/559,281
Foldable walker
Inventors:
Mark Gajewski, Evan Ward, Shivaprasad Dhanapal
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Nov 15, 1995
Inventors
Mark Gajewski
Evan Ward
Shivaprasad Dhanapal
Assignee (at issue)
Rubbermaid Health Care 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.