Inventor
WEITZEN EDWARD H
US5 patents
⚠️ This page may combine multiple inventors who share the name “WEITZEN EDWARD H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMERICAN BANK NOTE HOLOGRAPHIC
3 patentsUS4773718ASep 27, 1988
Holograms embossed into metal surfaces
AMERICAN BANK NOTE HOLOGRAPHIC84 citations95
US4725111AFeb 16, 1988
Holograms embossed into metal surfaces
AMERICAN BANK NOTE HOLOGRAPHIC78 citations95
US4900111AFeb 13, 1990
Embossed holograms formed on hard metal surfaces
AMERICAN BANK NOTE HOLOGRAPHIC47 citations91