Inventor · disambiguated record
Jeptha E. Campbell
Also filed as: CAMPBELL JEPTHA E
8 granted patents·436 citations·filing 1975–1988
90Inventor score
Top patents by PatentIndex Score
8 records- 0194US3962040AMethod and apparatus for plating and counting aerobic bacteriaUS HEALTH EDUCATION & WELFARE·Filed 1975·Granted Jun 8, 1976·65 cites·10 claims
- 0292US4447140AMicroscope slidesCAMPBELL JEPTHA E·Filed 1982·Granted May 8, 1984·101 cites·8 claims
- 0390US4469146AApparatus and process for preparing quantitative chemical solutionsSPIRAL SYSTEMS INC·Filed 1982·Granted Sep 4, 1984·78 cites·22 claims
- 0489US4688610AApparatus for dispensing particulate agglomerating solidsSPIRAL SYSTEMS INC·Filed 1985·Granted Aug 25, 1987·56 cites·6 claims
- 0589US4345628AGravimetric diluterSPIRAL SYSTEMS INC·Filed 1981·Granted Aug 24, 1982·67 cites·8 claims
- 0681US4630755AApparatus for precisely dispensing free flowing solidsSPIRAL SYSTEMS INC·Filed 1984·Granted Dec 23, 1986·55 cites·21 claims
- 0764US4540108ANeedlepointing toolCAMPBELL JEPTHA E·Filed 1984·Granted Sep 10, 1985·12 cites·16 claims
- 0829US4876901AAsbestos sample filter clearing systemSPIRAL SYSTEMS INC·Filed 1988·Granted Oct 31, 1989·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →