Individual holder
MARTIN DONALD L
US·4 granted patents·152 citations·filing 1989–2007
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0196US4973821AControl unit for welding apparatus having offset and tracking control featuresMARTIN DONALD L·Filed 1989·Granted Nov 27, 1990·118 cites·7 claims
- 0274US8359679B2Toilet clog removal and cleaning systemMARTIN DONALD L·Filed 2007·Granted Jan 29, 2013·4 cites·2 claims
- 0365US5264679AAlternating current welding apparatusMARTIN DONALD L·Filed 1992·Granted Nov 23, 1993·22 cites·18 claims
- 0437US5016763APrinted material organizerMARTIN DONALD L·Filed 1989·Granted May 21, 1991·8 cites·9 claims
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