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:
Jan. 24, 1995
Filed:
Jun. 22, 1992
Applicant:
Inventors:
Donald G Koch, Burbank, CA (US);
Albert C Ting, Laguna Niguel, CA (US);
Jim-Son Chou, Irvine, CA (US);
Assignee:
Allergan, Inc., Irvine, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C / ; G02C / ; A61F / ;
U.S. Cl.
CPC ...
351158 ; 351159 ; 351177 ; 623-6 ;
Abstract
An ophthalmic lens system (11), including an IOL (15) having a negative IOL lens portion (22) and a positive lens (13) adapted to be outside the eye and direct light toward the negative IOL lens portion. At least one of the surfaces of at least one of the lenses has a diffractive portion.