Granted Patent
Utility
US 5,122,051 · App. 07/638,980
Molded part ejection apparatus
Inventor:
Van K. Joyner
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Jan 10, 1991
Inventor
Van K. Joyner
Assignee (at issue)
Cincinnatti Milacron 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.