Assignee

ALLEN DOUGLAS E

2 granted patents·60 citations·filing 1978–2008

Technology mixA01B1 B62D1 H01H1 Y10T1

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2 records

0191US8154841B2Current zero cross switching relay module using a voltage monitorALLEN DOUGLAS E·Filed 2008·Granted Apr 10, 2012·29 cites·14 claims
0282US4237983ACombination tiller and cultivator and reversible drive assembly thereforALLEN DOUGLAS E·Filed 1978·Granted Dec 9, 1980·31 cites·9 claims

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