Inventor · disambiguated record

Douglas F Porter

Also filed as: PORTER DOUGLAS F

2 granted patents·76 citations·filing 1992–1997

67Inventor score

Technology areasC02F

Files withARCHER WALTER J1 PORTER DOUGLAS F1

Top patents by PatentIndex Score

2 records

0182USD345142STemporary protective cover for an electrical outlet boxPORTER DOUGLAS F·Filed 1992·Granted Mar 15, 1994·39 cites·1 claims
0267US6221262B1Ballast water de-toxification treatment system for shipsARCHER WALTER J·Filed 1997·Granted Apr 24, 2001·37 cites·54 claims

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Douglas F Porter — Patent Inventor | PatentIndex