Granted Patent
Utility
US 6,218,760 · App. 09/468,310
Brushless motor
Inventors:
Katsunori Sakuragi, Hideshi Fukutani, Keisuke Ueda
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Dec 21, 1999
Inventors
Katsunori Sakuragi
Hideshi Fukutani
Keisuke Ueda
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.