Granted Patent
Utility
US 6,479,813 · App. 09/748,273
Structure of motor-driven swing unit
Inventors:
Noboru Takada, Katsumi Yano
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Dec 27, 2000
Inventors
Noboru Takada
Katsumi Yano
Assignee (at issue)
SUMITOMO ELECTRIC 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.