Granted Patent
Utility
US 5,282,548 · App. 07/877,228
Automatic color pellet selecting and supplying apparatus for injection molding machine
Inventor:
Kiyomitsu Ishihara
Patented Case
View Patent ↗
Granted: Feb 1, 1994
Filed: May 1, 1992
Inventor
Kiyomitsu Ishihara
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.