Granted Patent
Utility
US 5,881,444 · App. 08/991,101
Techniques for transferring holograms into metal surfaces
Inventors:
Mark W. Schaefer, Thomas L. Levendusky, Simon Sheu, Robert B. Larsen, Neville Whittle
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Dec 12, 1997
Inventors
Mark W. Schaefer
Thomas L. Levendusky
Simon Sheu
Robert B. Larsen
Neville Whittle
Assignee (at issue)
Aluminum Company of America
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.