Granted Patent
Utility
US 4,576,321 · App. 06/515,172
Apparatus for connecting a strip of photographic paper to a flat conveyor belt
Inventor:
Roberto Marson
Patented Case
View Patent ↗
Granted: Mar 18, 1986
Filed: Jul 19, 1983
Inventor
Roberto Marson
Assignee (at issue)
Gretag San Marco S.p.A.
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.