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. 09, 1991
Filed:
Jun. 19, 1989
Applicant:
Inventors:
Roger W Phillips, Santa Rosa, CA (US);
Vernon C Spellman, Santa Rosa, CA (US);
Wayne L Gossett, Santa Rosa, CA (US);
Marc A Kamerling, Santa Rosa, CA (US);
Paul G Coombs, Santa Rosa, CA (US);
David W Todd, Santa Rosa, CA (US);
Steven A Silver, Santa Rosa, CA (US);
Assignee:
Flex Products, Inc., Santa Rosa, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
B65D / ;
U.S. Cl.
CPC ...
215230 ; 206459 ; 229102 ; 350166 ;
Abstract
Tamper evident optical device comprising a substrate and a multi-layer taper evident splittable coating carried by the substrate. The coating has a release region formed therein. An adhesive is secured to the tamper evident coating.