Granted Patent
Utility
US 6,572,122 · App. 09/848,436
Multiple child seat nestable shopping cart
Inventors:
Christopher M. Johnson, Ralph McCann
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: May 4, 2001
Inventors
Christopher M. Johnson
Ralph McCann
Assignee (at issue)
Rehrig International, 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.