Granted Patent
Utility
US 5,190,301 · App. 07/668,612
Fastening system for the wheels of an in-line roller skate
Inventor:
Andrzej M. Malewicz
Patented Case
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Granted: Mar 2, 1993
Filed: Mar 13, 1991
Inventor
Andrzej M. Malewicz
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.