Granted Patent
Utility
US 5,431,554 · App. 08/138,437
Vertical injection molding machine
Inventors:
Hiroshi Yoshida, Kazuki Kuse
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: Oct 20, 1993
Inventors
Hiroshi Yoshida
Kazuki Kuse
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.