Granted Patent
Utility
US 6,801,102 · App. 10/252,139
Tunable filters having variable bandwidth and variable delay
Inventors:
Khosro Shamsaifar, Yongfei Zhu, John Kvarnstrand, Louise Sengupta
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Sep 20, 2002
Inventors
Khosro Shamsaifar
Yongfei Zhu
John Kvarnstrand
Louise Sengupta
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.