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.

Date of Patent:
Dec. 18, 1990

Filed:

Mar. 13, 1989
Applicant:
Inventor:

Sami G El Hage, Houston, TX (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B / ;
U.S. Cl.
CPC ...
351212 ;
Abstract

There is disclosed apparatus which comprises a corneal topographer including a video camera or charge-coupled-device camera system for sensing images of rings of light reflected from the cornea, and means for processing the image rings to produce data useful in determining the contour of the cornea of a human eye.


Find Patent Forward Citations

El Hage, Sami. (1990). Apparatus for determining the contour of the cornea of a human eye (U.S. Patent No. 4978213). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4978213

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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