Granted Patent
Utility
US 4,656,106 · App. 06/787,353
Method of preparing a multicolored holographic image
Inventors:
David B. Holland, Glenn Wood
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Oct 15, 1985
Inventors
David B. Holland
Glenn Wood
Assignee (at issue)
Ciba-Geigy
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.