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:
Jun. 07, 2022
Filed:
Mar. 01, 2021
Applicant:
Lexmark International, Inc., Lexington, KY (US);
Inventors:
Gary Allen Denton, Lexington, KY (US);
James Paul Drummond, Georgoetown, KY (US);
Kelly Ann Killeen, Lexington, KY (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); B29C 45/18 (2006.01); H03K 19/003 (2006.01); G09C 1/00 (2006.01); B29C 45/00 (2006.01); B29K 105/16 (2006.01); B29K 101/10 (2006.01); B29K 505/12 (2006.01);
U.S. Cl.
CPC ...
H04L 9/3278 (2013.01); B29C 45/0001 (2013.01); B29C 45/18 (2013.01); G09C 1/00 (2013.01); H03K 19/003 (2013.01); B29K 2101/10 (2013.01); B29K 2105/16 (2013.01); B29K 2505/12 (2013.01);
Abstract
A physical unclonable function is disclosed. A highly random distribution of magnetic particles within a thermoplastic polymer is created by magnetizing magnetizable particles in solid pellet feed material before feeding the solid pellets into an injection molding machine. Other devices and processes are disclosed.