Granted Patent
Utility
US 6,566,023 · App. 10/154,858
Phase shifting circuit manufacture method and apparatus
Inventors:
Yao-Ting Wang, Yagyensh C. Pati
Patented Case
View Patent ↗
Granted: May 20, 2003
Filed: May 24, 2002
Inventors
Yao-Ting Wang
Yagyensh C. Pati
Assignee (at issue)
Numerical Technology, Inc.
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.