Granted Patent
Utility
US 6,674,303 · App. 10/017,725
Programmable input/output cell with bidirectional and shift register capabilities
Inventors:
Douglas C. Morse, Clement Lee
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Dec 14, 2001
Inventors
Douglas C. Morse
Clement Lee
Assignee (at issue)
Lattice Semiconductor 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.