Granted Patent
Utility
US 5,224,894 · App. 07/551,528
Doll plus invertable container
Inventors:
Walter L. Nelson, Robert D. Zera, Gail Good
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Jul 11, 1990
Inventors
Walter L. Nelson
Robert D. Zera
Gail Good
Assignee (at issue)
Tonka Corporation
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.