Granted Patent
Utility
US 5,806,574 · App. 08/565,945
Portable closed container
Inventors:
Teppei Yamashita, Masanao Murata, Tsuyoshi Tanaka, Hitoshi Kawano, Teruya Morita
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Dec 1, 1995
Inventors
Teppei Yamashita
Masanao Murata
Tsuyoshi Tanaka
Hitoshi Kawano
Teruya Morita
Assignee (at issue)
Shinko 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.