Granted Patent
Utility
US 5,885,628 · App. 08/856,260
Injection molding nozzle
Inventors:
Paul M. Swenson, Michael Vasapoli, William J. Hume
Patented Case
View Patent ↗
Granted: Mar 23, 1999
Filed: May 14, 1997
Inventors
Paul M. Swenson
Michael Vasapoli
William J. Hume
Assignee (at issue)
Dynisco, 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.