Granted Patent
Utility
US 6,030,202 · App. 09/036,910
Injection molding three portion gate and cavity insert
Inventors:
Jobst U. Gellert, Itsuto Nakanishi
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Mar 9, 1998
Inventors
Jobst U. Gellert
Itsuto Nakanishi
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.