Granted Patent
Utility
US 4,789,379 · App. 07/105,020
Bicycle deraileur
Inventors:
Nobuo Ozaki, Tsukasa Wauke
Patented Case
View Patent ↗
Granted: Dec 6, 1988
Filed: Oct 6, 1987
Inventors
Nobuo Ozaki
Tsukasa Wauke
Assignee (at issue)
Maeda Industries, Ltd
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.