Granted Patent
Utility
US 4,396,283 · App. 06/349,929
Neghold assembly for photographic printer
Inventors:
Richard Dyche Anderson, Larry M. Karjala
Patented Case
View Patent ↗
Granted: Aug 2, 1983
Filed: Feb 18, 1982
Inventors
Richard Dyche Anderson
Larry M. Karjala
Assignee (at issue)
Pako 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.