Granted Patent
Utility
US 4,237,210 · App. 05/967,793
Aqueous photoresist method
Inventor:
Robert S. Dougherty
Patented Case
View Patent ↗
Granted: Dec 2, 1980
Filed: Dec 8, 1978
Inventor
Robert S. Dougherty
Assignee (at issue)
RCA 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.