Granted Patent
Utility
US 4,419,675 · App. 06/042,133
Imaging system and method for printed circuit artwork and the like
Inventors:
Don B. Neumann, Lyle K. Norton, Eric V. Olson
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: May 24, 1979
Inventors
Don B. Neumann
Lyle K. Norton
Eric V. Olson
Assignee (at issue)
American Hoechst 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.