IP Library › Granted Patent US 4,900,111
Granted Patent Utility
US 4,900,111 · App. 07/312,068

Embossed holograms formed on hard metal surfaces

Inventors: Salvatore F. D'Amato, Edward H. Weitzen
Patented Case View Patent ↗
Granted: Feb 13, 1990 Filed: Feb 15, 1989
Inventors
Salvatore F. D'Amato
Edward H. Weitzen
Assignee (at issue)
AMERICAN BANK NOTE HOLOGRAPHICS, INC.

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Quick Facts
Patent No.
US 4,900,111
App. No.
07/312,068
Filed
1989-02-15
Granted
1990-02-13
Kind
A