Invention Grant
- Patent Title: Secure placard and method for producing same
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Application No.: US17198980Application Date: 2021-03-11
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Publication No.: US11642907B2Publication Date: 2023-05-09
- Inventor: Stanley C. Chess
- Applicant: R. R. DONNELLEY & SONS COMPANY
- Applicant Address: US IL Chicago
- Assignee: R. R. DONNELLEY & SONS COMPANY
- Current Assignee: R. R. DONNELLEY & SONS COMPANY
- Current Assignee Address: US IL Chicago
- Agency: McCracken & Gillen LLC
- Main IPC: B42D25/328
- IPC: B42D25/328 ; G09F3/04 ; G09F3/02

Abstract:
A secure placard and a method of producing the secure placard are disclosed. A substrate includes a first portion and a second portion. The first portion of a substrate has varnish applied thereto and a holographic pattern is formed in the varnish. The substrate also includes a second portion that is free of the varnish. The second portion of the substrate is adapted to be printed on using a heat-based process without damage to the holographic pattern.
Public/Granted literature
- US20210283940A1 Secure Placard and Method for Producing Same Public/Granted day:2021-09-16
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