Inventor · disambiguated record
Ronald J. Callahan
Also filed as: CALLAHAN RONALD · CALLAHAN RONALD J · CALLAHAN RONALD JEFFREY
4 granted patents·1 pending application·132 citations·filing 1980–2011
79Inventor score
Top patents by PatentIndex Score
5 records- 0179US5605672ABlood pool imaging composition and method of its useGEN HOSPITAL CORP·Filed 1993·Granted Feb 25, 1997·56 cites·44 claims
- 0257US4471765AApparatus for radiolabeling red blood cellsMASSACHUSETTS GEN HOSPITAL·Filed 1982·Granted Sep 18, 1984·58 cites·2 claims
- 0355US9114049B2Rotating platform for wheelchair bound peopleCALLAHAN RONALD J·Filed 2011·Granted Aug 25, 2015·4 cites·22 claims
- 0445US2010187395A1Rotating work platform for whell chair bound peopleCALLAHAN RONALD JEFFREY·Filed 2009·Application pending·0 cites
- 0531US4372294AMethod and apparatus for radiolabeling red blood cellsMASSACHUSETTS GEN HOSPITAL·Filed 1980·Granted Feb 8, 1983·14 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →