Granted Patent
Utility
US 6,559,883 · App. 09/671,007
Movie film security system utilizing infrared patterns
Inventors:
James Arthur Fancher, David H. Sitrick, Gregory P. Sitrick
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Sep 27, 2000
Inventors
James Arthur Fancher
David H. Sitrick
Gregory P. Sitrick
Assignee (at issue)
David H. Sitrick
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.