Granted Patent
Utility
US 5,820,899 · App. 08/779,973
Injection molding nozzle with edge gate inserts and sealing ring
Inventors:
Jobst U. Gellert, Daniel A. Boehnen
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Dec 23, 1996
Inventors
Jobst U. Gellert
Daniel A. Boehnen
Assignee (at issue)
Mold-Masters Limited
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.