Granted Patent
Utility
US 4,915,402 · App. 07/260,189
Luggage with retractable wheel system
Inventor:
Barry Brinker
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Oct 19, 1988
Inventor
Barry Brinker
Assignee (at issue)
TOTES LLC
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.