Inventor · disambiguated record

John Mark Ritchey

Also filed as: RITCHEY JOHN MARK

1 granted patent·4 citations·filing 2001–2001

24Inventor score

Technology areasH04B

Files withLUCENT TECHNOLOGIES INC1

Top patents by PatentIndex Score

1 record

0149US6937823B2Method for preventing lasing in an optical ring networkLUCENT TECHNOLOGIES INC·Filed 2001·Granted Aug 30, 2005·4 cites·14 claims

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