Granted Patent
Utility
US 4,359,242 · App. 06/302,305
Collapsible baby walker-jumper
Inventors:
Donald L. Gerken, Donald L. Moore, Stephen M. Degnen
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: Sep 14, 1981
Inventors
Donald L. Gerken
Donald L. Moore
Stephen M. Degnen
Assignee (at issue)
Cosco, 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.