The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 27, 2000
Filed:
Sep. 21, 1998
Applicant:
Inventors:
Charles R Coleman, Pittsburgh, PA (US);
Bennett A Smith, Jr, Irwin, PA (US);
Assignee:
PPG Industries Ohio, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C / ;
U.S. Cl.
CPC ...
351177 ; 351159 ;
Abstract
A method for simultaneously edging a complementary pair of ophthalmic lenses is disclosed. In this method, 1) the lenses to be edged are stacked or temporarily bonded; 2) the stacked or temporarily bonded lenses are simultaneously edged; and 3) the edged lenses are separated. Laminated devices prepared using lenses edge via this method are also disclosed.