Granted Patent
Utility
US 4,497,484 · App. 06/469,805
Playground climber
Inventor:
Donald E. West
Patented Case
View Patent ↗
Granted: Feb 5, 1985
Filed: Feb 25, 1983
Inventor
Donald E. West
Assignee (at issue)
Gametime
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.