Granted Patent
Utility
US 5,397,230 · App. 08/102,169
Vent apparatus for an injection mold
Inventor:
James K. Brew
Patented Case
View Patent ↗
Granted: Mar 14, 1995
Filed: Aug 4, 1993
Inventor
James K. Brew
Assignee (at issue)
GenCorp, 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.