Granted Patent
Utility
US 5,947,487 · App. 08/803,206
In-line skate with a flexing cuff
Inventors:
Lloyd G. Keleny, Donald R. Hudson
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Feb 11, 1997
Inventors
Lloyd G. Keleny
Donald R. Hudson
Assignee (at issue)
Rollerblade, 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.