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. 29, 1988
Filed:
May. 03, 1985
Applicant:
Inventors:
Steven K Korotky, Toms River, NJ (US);
Enrique A Marcatili, Rumson, NJ (US);
Assignee:
American Telephone and Telegraph Company, AT&T Bell Laboratories, Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9612 ; 350 9614 ;
Abstract
An optical device comprising an optical waveguide having a varying refractive index has low radiation loss. The waveguide may be either curved or tapered.
Korotky, Steven. (1988). Devices having low loss curved or tapered optical waveguides (U.S. Patent No. 4787689). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4787689
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile