Granted Patent
Utility
US 4,279,989 · App. 06/098,830
Gelatin-epoxy sheet materials
Inventors:
Jerome Drexler, Carl R. Betz
Patented Case
View Patent ↗
Granted: Jul 21, 1981
Filed: Nov 30, 1979
Inventors
Jerome Drexler
Carl R. Betz
Assignee (at issue)
Drexler Technology 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.