Granted Patent
Utility
US 4,258,124 · App. 06/073,289
Photosensitive composition
Inventors:
Shigeki Shimizu, Akinobu Oshima
Patented Case
View Patent ↗
Granted: Mar 24, 1981
Filed: Sep 7, 1979
Inventors
Shigeki Shimizu
Akinobu Oshima
Assignee (at issue)
Mitsubishi Chemical Industries, Ltd.
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.