Granted Patent
Utility
US 6,520,862 · App. 09/968,498
Collapsible infant swing
Inventors:
Michael Armbruster, John S. Canna, Michael T. Kane, Robert Sonner
Patented Case
View Patent ↗
Granted: Feb 18, 2003
Filed: Oct 2, 2001
Inventors
Michael Armbruster
John S. Canna
Michael T. Kane
Robert Sonner
Assignee (at issue)
MATTEL, 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.