Granted Patent
Utility
US 5,715,529 · App. 08/063,384
FM receiver including a phase-quadrature polyphase if filter
Inventors:
Kaveh Kianush, Wolter Bijker, Wolfdietrich G. Kasperkovitz, Hendricus C. De Ruyter, Willem A. Sloof
Patented Case
View Patent ↗
Granted: Feb 3, 1998
Filed: May 18, 1993
Inventors
Kaveh Kianush
Wolter Bijker
Wolfdietrich G. Kasperkovitz
Hendricus C. De Ruyter
Willem A. Sloof
Assignee (at issue)
U.S. Philips 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.