Granted Patent
Utility
US 4,774,421 · App. 06/907,075
Programmable logic array device using EPROM technology
Inventors:
Robert F. Hartmann, Sau C. Wong, Yiu-Fai Chan, Jung-Hsing Ou
Patented Case
View Patent ↗
Granted: Sep 27, 1988
Filed: Sep 12, 1986
Inventors
Robert F. Hartmann
Sau C. Wong
Yiu-Fai Chan
Jung-Hsing Ou
Assignee (at issue)
Altera 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.