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:
Apr. 20, 1993
Filed:
Jul. 05, 1991
Applicant:
Inventors:
Ravinder Kachru, Redwood City, CA (US);
Emily Y Xu, Mountain View, CA (US);
Stefan Kroll, Lund, SE;
David L Huestis, Menlo Park, CA (US);
Myung-Keun Kim, Troy, MI (US);
Assignee:
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02F / ; G02B / ; G06K / ; G06E / ;
U.S. Cl.
CPC ...
359264 ; 359299 ; 359321 ; 359560 ; 359561 ; 382 31 ; 382 42 ; 365119 ;