Assignee
FEST OTTO P
4 granted patents·51 citations·filing 1988–2018
Top patents by PatentIndex Score
4 records- 0178US7626378B1Signal powered A.C. current transformer electronic measuring circuitFEST OTTO P·Filed 2007·Granted Dec 1, 2009·10 cites·13 claims
- 0275US7684768B1Loop powered current-loop wireless transmitterFEST OTTO P·Filed 2007·Granted Mar 23, 2010·7 cites·20 claims
- 0373US4908569ATransformerless line powdered digital AC voltmeterFEST OTTO P·Filed 1988·Granted Mar 13, 1990·33 cites·7 claims
- 0465US10222405B2Solid state analog meterFEST OTTO P·Filed 2018·Granted Mar 5, 2019·1 cites·10 claims
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