Granted Patent
Utility
US 6,281,647 · App. 09/457,586
Power window apparatus
Inventor:
Akira Sasaki
Patented Case
View Patent ↗
Granted: Aug 28, 2001
Filed: Dec 9, 1999
Inventor
Akira Sasaki
Assignee (at issue)
ALPS ELECTRIC CO., 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.