Granted Patent
Utility
US 5,116,548 · App. 07/542,916
Replicaton of microstructures by casting in controlled areas of a substrate
Inventors:
Donald W. Mallik, Salvatore F. D'Amato
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Jun 22, 1990
Inventors
Donald W. Mallik
Salvatore F. D'Amato
Assignee (at issue)
AMERICAN BANK NOTE HOLOGRAPHICS, INC.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.