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:
Nov. 17, 1992
Filed:
Oct. 02, 1990
Applicant:
Inventor:
Sari L Brenner, Irvine, CA (US);
Assignee:
Nestle, S.A., , CH;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G09B / ;
U.S. Cl.
CPC ...
434271 ; 434267 ;
Abstract
A simulated cataractous lens and method of making the same are disclosed. The simulated lens is comprised of a proteinaceous material, such as natural animal lens material which is selectively hardened and which has the hardness and transparency thereof altered by predetermined amounts so as to correspond to different stages of cataract afflicted lenses.