Granted Patent
Utility
US 6,667,641 · App. 10/056,787
Programmable phase shift circuitry
Inventors:
Bonnie I. Wang, Joseph Huang, Chiakang Sung, Xiaobao Wang, In Whan Kim, Wayne Yeung, Khai Nguyen
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Jan 23, 2002
Inventors
Bonnie I. Wang
Joseph Huang
Chiakang Sung
Xiaobao Wang
In Whan Kim
Wayne Yeung
Khai Nguyen
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.