Granted Patent
Utility
US 4,986,334 · App. 07/535,662
Bottom vertical slide on a horizontal movable die of a vertical injector die casting machine
Inventor:
Shen H. Bai
Patented Case
View Patent ↗
Granted: Jan 22, 1991
Filed: Jun 11, 1990
Inventor
Shen H. Bai
Assignee (at issue)
Farley, Inc.
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.