Granted Patent
Utility
US 6,170,854 · App. 09/594,315
Convertible stroller/shopping cart
Inventors:
Susan H. Maher, Jay A. Maher
Patented Case
View Patent ↗
Granted: Jan 9, 2001
Filed: Jun 15, 2000
Inventors
Susan H. Maher
Jay A. Maher
Assignee (at issue)
Nelson-Whittaker, Ltd
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.