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:
May. 09, 1995
Filed:
Apr. 26, 1993
Applicant:
Inventors:
Richard Pavelle, Winchester, MA (US);
Paul Burstein, Winchester, MA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C / ;
U.S. Cl.
CPC ...
351 49 ; 351 44 ;
Abstract
An ophthalmic device comprises a frame having a pair eye apertures and first and second linearly polarizing elements fixedly or rotatably mounted in the apertures. The first and second elements each have a polarizing transmission axis and the axes are fixedly or selectively disposed at an angle of 45.degree. to 90.degree. with respect to each other.