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. 07, 1978
Filed:
Mar. 16, 1977
Applicant:
Inventors:
Errol P EerNisse, Albuquerque, NM (US);
Cecil E Land, Albuquerque, NM (US);
Jay B Snelling, Albuquerque, NM (US);
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
G06K / ;
U.S. Cl.
CPC ...
3401 / ; 310311 ;
Abstract
The disclosure relates to signature verification input apparatus comprising a writing instrument and platen containing piezoelectric transducers which generate signals in response to writing pressures.
EerNisse, Errol. (1978). Input apparatus for dynamic signature verification systems (U.S. Patent No. 4078226). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4078226
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile