Granted Patent
Utility
US 6,196,826 · App. 09/322,573
Seepage system for an injection molding apparatus
Inventors:
Jobst U. Gellert, Denis Babin, Helen Zhuang
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: May 28, 1999
Inventors
Jobst U. Gellert
Denis Babin
Helen Zhuang
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.