Inventor · disambiguated record
Michael M. Spann
Also filed as: SPANN MICHAEL · SPANN MICHAEL M
3 granted patents·109 citations·filing 1976–2000
75Inventor score
Top patents by PatentIndex Score
3 records- 0185US6466248B1Videoconference recordingDIALOGIC CORP·Filed 2000·Granted Oct 15, 2002·60 cites·22 claims
- 0272US4361808ADielectric constant well logging with current and voltage electrodesEXXON PRODUCTION RESEARCH CO·Filed 1980·Granted Nov 30, 1982·32 cites·11 claims
- 0356US4015195AMethod of determining hydrocarbon saturation in shaly formations by measuring dielectric constant in first and second portions of the formationsEXXON PRODUCTION RESEARCH CO·Filed 1976·Granted Mar 29, 1977·17 cites·29 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →