Granted Patent
Utility
US 5,171,033 · App. 07/547,230
Ventilated boot and in-line roller skate with the same
Inventors:
Brennan J. Olson, John F. Swigart
Patented Case
View Patent ↗
Granted: Dec 15, 1992
Filed: Jul 3, 1990
Inventors
Brennan J. Olson
John F. Swigart
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.