Granted Patent
Utility
US 6,675,862 · App. 10/026,457
Blind apparatus
Inventors:
Ryogo Kobayashi, Motohiro Higuchi, Fusao Takanishi
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Dec 27, 2001
Inventors
Ryogo Kobayashi
Motohiro Higuchi
Fusao Takanishi
Assignees (at issue)
Matsushita Electric Works, Ltd.
NHK SPRING 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.