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. 15, 1988
Filed:
Jun. 16, 1986
Applicant:
Inventors:
Richard D Rosen, Columbus, OH (US);
Robert B McCown, Columbus, OH (US);
Matthew S Fleming, Columbus, OH (US);
Assignee:
Applied Information Technologies Research Center, Columbus, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ;
U.S. Cl.
CPC ...
380 23 ; 380 28 ; 380 30 ; 380 49 ;
Abstract
An authentication system for electronic information networks having small hand-held portable authenticating devices which are remotely initialized and can use 4 bit microprocessors in a challenge-response security system and yet permit practical communication of the large numbers which are necessary for sufficient security.
Rosen, Richard. (1988). Field initialized authentication system for protective security of (U.S. Patent No. 4731841). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4731841
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile