Granted Patent
Utility
US 4,175,852 · App. 05/776,873
Test system for photographic printers
Inventor:
Victor R. Baert
Patented Case
View Patent ↗
Granted: Nov 27, 1979
Filed: Mar 11, 1977
Inventor
Victor R. Baert
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.