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{{Information |Description=Cross-coupled filter in waveguide, described by the inventor as "paralleled resonator transducers". |Source=US patent US2626990 |Date=4th May 1948 (filed) |Author=[[John R. Pierce]] |other_versions= }} == Licensing == {{PD-U...
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== {{int:filedesc}} == {{Information |Description={{en|Cross-coupled filter in waveguide, described by the inventor as "paralleled resonator transducers".}} |Source=Transferred from [http://en.wikipedia.org en.wikipedia] |Date=4th May 1948 (filed)<br/>...