Inventor · disambiguated record
Bob M. Duff
Also filed as: DUFF BOB M
3 granted patents·252 citations·filing 1984–1988
77Inventor score
Top patents by PatentIndex Score
3 records- 0183US4835474AMethod and apparatus for detecting subsurface anomaliesSOUTHWEST RES INST·Filed 1986·Granted May 30, 1989·59 cites·6 claims
- 0278US4905706AMethod an apparatus for detection of heart diseaseNIPPON COLIN CO LTD·Filed 1988·Granted Mar 6, 1990·179 cites·18 claims
- 0352US4689569ADirectional antenna system for use in a borehole incorporating antenna dipole elementsSOUTHWEST RES INST·Filed 1984·Granted Aug 25, 1987·14 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →