Granted Patent
Utility
US 5,446,555 · App. 08/192,804
Design drawing transmission system
Inventors:
Koji Fujikawa, Kazuo Shibata, Kenshi Katayama, Masahiko Yamamoto
Patented Case
View Patent ↗
Granted: Aug 29, 1995
Filed: Feb 7, 1994
Inventors
Koji Fujikawa
Kazuo Shibata
Kenshi Katayama
Masahiko Yamamoto
Assignee (at issue)
NIPPON STEEL CORPORATION
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.