Granted Patent
Utility
US 4,545,801 · App. 06/577,419
Raw material supply device
Inventors:
Tetsuo Miyajiri, Toshimi Habasaki, Hiroshi Yokota, Tamio Tsurita, Motohiro Nakahara
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Feb 6, 1984
Inventors
Tetsuo Miyajiri
Toshimi Habasaki
Hiroshi Yokota
Tamio Tsurita
Motohiro Nakahara
Assignees (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Nippon Telegraph and Telephone Public 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.