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:
Jul. 05, 1994
Filed:
Jan. 12, 1993
Applicant:
Inventor:
Richard P Waido, West Woodstock, CT (US);
Assignee:
Gentex Optics, Inc., Carbondale, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C / ;
U.S. Cl.
CPC ...
351169 ;
Abstract
A progressive addition lens constructed on the bipolar principle in accordance with a power law having a steeper slope or gradient in the regions adjacent to the poles than in the middle region thereof between the poles.