Granted Patent
Utility
US 4,528,010 · App. 06/584,968
Process for producing optical glass product
Inventors:
Takao Edahiro, Nobuo Inagaki, Shiro Kurosaki
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Feb 29, 1984
Inventors
Takao Edahiro
Nobuo Inagaki
Shiro Kurosaki
Assignees (at issue)
Nippon Telegraph and Telephone Public Corporation
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.