Granted Patent
Utility
US 6,377,440 · App. 09/660,309
Dielectric varactors with offset two-layer electrodes
Inventors:
Yongfei Zhu, Louise Sengupta, Xubai Zhang
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Sep 12, 2000
Inventors
Yongfei Zhu
Louise Sengupta
Xubai Zhang
Assignee (at issue)
Paratek Microwave, 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.