Granted Patent
Utility
US 6,752,618 · App. 10/022,282
Injection manifold having a valve pin guiding device
Inventors:
Neil Dewar, Denis Babin
Patented Case
View Patent ↗
Granted: Jun 22, 2004
Filed: Dec 20, 2001
Inventors
Neil Dewar
Denis Babin
Assignee (at issue)
Mold-Masters Limited
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.