Books TRIZ Cases
- Ultrasonic-Welded Secure Covers With High-Resolution Optical Security Elements
Ultrasonic welding forms fine embossed and optically variable cover features for secure articles, cutting equipment complexity and cost.
- Side-Loading PSA Card Binder to Prevent Dust and Slippage
Side-loading slots and a zipper-sealed binder protect PSA-graded cards from dust, abrasion, and accidental slide-out during storage.