Granted Patent
Utility
US 5,857,944 · App. 08/556,018
Stationary baby jumper
Inventors:
Richard E. Cone, Michael Scot Rosko
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: Nov 9, 1995
Inventors
Richard E. Cone
Michael Scot Rosko
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.