Granted Patent
Utility
US 5,080,184 · App. 07/653,976
Method of and apparatus for weighing and taking out powdered dye
Inventors:
Yoshimichi Yamakita, Mitsugu Umino, Hisayoshi Mizuhara, Hiroshi Yoshida
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Feb 11, 1991
Inventors
Yoshimichi Yamakita
Mitsugu Umino
Hisayoshi Mizuhara
Hiroshi Yoshida
Assignee (at issue)
Yoshida Kogyo K.K.
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.