Granted Patent
Utility
US 5,871,786 · App. 08/833,414
Tip heated hot runner nozzle
Inventors:
William J. Hume, Michael Vasapoli
Patented Case
View Patent ↗
Granted: Feb 16, 1999
Filed: Apr 4, 1997
Inventors
William J. Hume
Michael Vasapoli
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.