Granted Patent
Utility
US 4,699,479 · App. 06/747,059
Eyeglass frame structure and method of assembling same
Inventor:
Richard T. Metcalfe
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Jun 20, 1985
Inventor
Richard T. Metcalfe
Assignee (at issue)
American Optical Corporation
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.