Granted Patent
Utility
US 5,275,187 · App. 07/777,808
Foldable walker
Inventor:
Daniel E. Davis
Patented Case
View Patent ↗
Granted: Jan 4, 1994
Filed: Oct 17, 1991
Inventor
Daniel E. Davis
Assignee (at issue)
The Kendall Company LP
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.