Granted Patent
Utility
US 5,092,614 · App. 07/550,560
Lightweight in-line roller skate, frame, and frame mounting system
Inventor:
Andrzej M. Malewicz
Patented Case
View Patent ↗
Granted: Mar 3, 1992
Filed: Jul 10, 1990
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.