Inventor · disambiguated record
Douglas Graham
Also filed as: GRAHAM DOUGLAS · GRAHAM DOUGLAS I
4 granted patents·108 citations·filing 1981–2002
79Inventor score
Top patents by PatentIndex Score
4 records- 0178US4947993AContainerNICOLOSI KATHRYN·Filed 1989·Granted Aug 14, 1990·55 cites·5 claims
- 0274US4798143AGas dispensing projectileGRAHAM DOUGLAS·Filed 1987·Granted Jan 17, 1989·32 cites·28 claims
- 0359US6789680B2Screen assembly for vibratory separatorVARCO INT·Filed 2002·Granted Sep 14, 2004·8 cites·20 claims
- 0446US4407175ATool for rotating threaded fastenersGRAHAM DOUGLAS I·Filed 1981·Granted Oct 4, 1983·13 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →