Granted Patent
Utility
US 6,821,112 · App. 10/297,893
Injection molding hot runner nozzle with removable seal
Inventors:
Frank J. Eigler, Rui Novo
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Dec 10, 2002
Inventors
Frank J. Eigler
Rui Novo
Assignee (at issue)
DME Company LLC
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.