Granted Patent
Utility
US 6,653,861 · App. 10/023,053
Multi-level routing structure for a programmable interconnect circuit
Inventors:
Om P. Agrawal, Jinghui Zhu
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Dec 14, 2001
Inventors
Om P. Agrawal
Jinghui 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.