Granted Patent
Utility
US 5,913,472 · App. 08/769,029
Stepper advertising device and method
Inventor:
Ake L. Dahlquist
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Dec 18, 1996
Inventor
Ake L. Dahlquist
Assignee (at issue)
Dixonweb Printing Company
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.