Granted Patent
Utility
US 5,812,895 · App. 08/598,601
Camera with negative identification system
Inventors:
Dale R. DuVall, Jerry W. Lindenfelser, Larry D. McClellan, Patrick J. Gilligan, Roger M. Johnson, Charles Swanson
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: May 28, 1996
Inventors
Dale R. DuVall
Jerry W. Lindenfelser
Larry D. McClellan
Patrick J. Gilligan
Roger M. Johnson
Charles Swanson
Assignee (at issue)
Photo Control Corporation
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.