Granted Patent
Utility
US 4,424,519 · App. 06/245,694
System and method for producing artwork for printed circuit boards
Inventors:
Don B. Neumann, Lyle K. Norton, Eric V. Olson
Patented Case
View Patent ↗
Granted: Jan 3, 1984
Filed: Mar 19, 1981
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.