×

Reflective article with concealed retroreflective pattern

  • US 6,024,455 A
  • Filed: 01/13/1998
  • Issued: 02/15/2000
  • Est. Priority Date: 01/13/1998
  • Status: Expired due to Term
First Claim
Patent Images

1. A reflective article comprising a multilayer film covering a patterned retroreflective layer, the multilayer film comprising alternating layers of at least a first and second material, the alternating layers being configured to exhibit a relatively high reflectance for normally incident light within a first spectral range and a relatively low reflectance for normally incident light within a second spectral range.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×