Granted Patent
Utility
US 6,438,816 · App. 09/962,141
Mold for forming resinous domed article and method of producing same
Inventors:
Jyoji Wada, Kazushige Tamura
Patented Case
View Patent ↗
Granted: Aug 27, 2002
Filed: Sep 26, 2001
Inventors
Jyoji Wada
Kazushige Tamura
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.