Granted Patent
Utility
US 6,419,116 · App. 09/794,672
Molding nozzle gate valve
Inventors:
Frank J. Eigler, Frederick G. Steil
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Feb 27, 2001
Inventors
Frank J. Eigler
Frederick G. Steil
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.