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:
Mar. 03, 2009
Filed:
Mar. 28, 2006
Applicants:
Steven D. Cech, Aurora, OH (US);
Timothy D. Edwards, Cleveland, OH (US);
Sean P. Mcginnis, Chesterland, OH (US);
Inventors:
Steven D. Cech, Aurora, OH (US);
Timothy D. Edwards, Cleveland, OH (US);
Sean P. McGinnis, Chesterland, OH (US);
Assignee:
Volk Optical, Inc., Mentor, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/00 (2006.01); G02B 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
An autoclavable diagnostic ophthalmic lens system includes a biconvex lens element having front and rear surfaces and a housing in which the biconvex lens element is mounted. The biconvex lens element is fabricated from a glass having an index-of-refraction greater of 1.7 or greater. The glass composition meets the following parameters: