Granted Patent
Utility
US 5,565,962 · App. 08/368,110
Method of and apparatus for preventing forgery of specific image
Inventor:
Takeshi Yoshimoto
Patented Case
View Patent ↗
Granted: Oct 15, 1996
Filed: Jan 3, 1995
Inventor
Takeshi Yoshimoto
Assignee (at issue)
DAINIPPON SCREEN MFG. CO., LTD.
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.