Granted Patent
Utility
US 6,695,607 · App. 10/015,586
Mold half-block for injection molding an optical article out of thermoplastic material, and a mold including such a half-block
Inventors:
Hao-Wen Chiu, Hsinjin Yang
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Dec 17, 2001
Inventors
Hao-Wen Chiu
Hsinjin Yang
Assignee (at issue)
Essilor International (Compagnie Generale d'Optique)
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.