Granted Patent
Utility
US 4,192,014 · App. 05/962,572
ROM memory cell with 2.sup.n FET channel widths
Inventor:
Donald G. Craycraft
Patented Case
View Patent ↗
Granted: Mar 4, 1980
Filed: Nov 20, 1978
Inventor
Donald G. Craycraft
Assignee (at issue)
NCR 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.