Granted Patent
Utility
US 5,492,467 · App. 08/175,617
Apparatus for injection molding articles of amorphous polyethylene terephthalate
Inventors:
William J. Hume, Paul M. Swenson
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Dec 30, 1993
Inventors
William J. Hume
Paul M. Swenson
Assignee (at issue)
KONA Corporation
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.