Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › One way holograms

One way holograms

US Patent 5519516 · Granted May 21, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Lamination of multilayer photopolymer holograms1997
Apparatus and method for monitoring holographic light protection filters1997
Holographic exposure prism1996
Dual image CHMSLs without holography1996
Encoded hologram for producing a machine readable image and a human readable ima1996
System for copying multiple holograms1996
Combination specular and diffuse image CHMSL1996
Multiple format holographic CHMSLS1996
Segmented image holographic disks1995
Dual image CHMSLS1995
Display hologram1995
Holographic parking assistance device1995