Granted Patent
Utility
US 4,099,864 · App. 05/776,875
Light source for photographic printer
Inventors:
Patrick J. Gilligan, Kenneth D. Schrupp
Patented Case
View Patent ↗
Granted: Jul 11, 1978
Filed: Mar 11, 1977
Inventors
Patrick J. Gilligan
Kenneth D. Schrupp
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.