Granted Patent
Utility
US 5,779,312 · App. 08/773,970
Back-rest angle adjusting apparatus
Inventors:
Tomoyuki Nagai, Eizi Sunohara, Toshihiko Hidaka
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Dec 26, 1996
Inventors
Tomoyuki Nagai
Eizi Sunohara
Toshihiko Hidaka
Assignees (at issue)
Kayaba Kogyo Kabushiki Kaisha
Kabushiki Kaisha Yanagisawa Seiki Seisakusho
Koito 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.