Granted Patent
Utility
US 4,855,769 · App. 07/237,531
Photographic apparatus for motorized processing of instant film
Inventors:
Frederick Slavitter, James J. Marchese
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Aug 29, 1988
Inventors
Frederick Slavitter
James J. Marchese
Assignee (at issue)
Polaroid 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.