Inventor · disambiguated record

Francis Payen

Also filed as: PAYEN FRANCIS

2 granted patents·17 citations·filing 1981–1981

58Inventor score

Technology areasH01J

Files withTHOMSON CSF2

Top patents by PatentIndex Score

2 records

0157US4399389ATravelling wave tube with coupled cavities and focusing by alternating permanent magnets and amplifying system comprising such a tubeTHOMSON CSF·Filed 1981·Granted Aug 16, 1983·10 cites·5 claims
0243US4431944ADelay line having coupled cavities for a traveling-wave tube and a traveling-wave tube equipped with said lineTHOMSON CSF·Filed 1981·Granted Feb 14, 1984·7 cites·3 claims

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