Granted Patent
Utility
US 6,113,149 · App. 08/994,257
Pseudo three-dimensional image display and method of manufacturing including tactile surface texture
Inventor:
Eugene M. Dukatz
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Dec 19, 1997
Inventor
Eugene M. Dukatz
Assignee (at issue)
Serigraph 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.