Assignee

MADOCKS JOHN ERIC

US·2 granted patents·3 citations·filing 2007–2019

Technology mixG10D1 H01J1

Top patents by PatentIndex Score

2 records

0171US8304744B2Closed drift ion sourceMADOCKS JOHN ERIC·Filed 2007·Granted Nov 6, 2012·3 cites·39 claims
0251US10657932B1Tuning device for stringed musical instrumentMADOCKS JOHN ERIC·Filed 2019·Granted May 19, 2020·0 cites·4 claims

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