Granted Patent
Utility
US 6,680,625 · App. 10/066,031
Symmetrical CML logic gate system
Inventors:
Kochung Lee, Ming Qu, Xueping Jiang, Xiang Zhu
Patented Case
View Patent ↗
Granted: Jan 20, 2004
Filed: Jan 31, 2002
Inventors
Kochung Lee
Ming Qu
Xueping Jiang
Xiang Zhu
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.