Granted Patent
Utility
US 4,433,044 · App. 06/441,682
Dry developable positive photoresists
Inventors:
Wolfgang Meyer, Bernard J. Curtis
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Nov 15, 1982
Inventors
Wolfgang Meyer
Bernard J. Curtis
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.