Individual holder
FREEMAN MARY J
US·2 granted patents·61 citations·filing 1989–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0171US5258308AMethod, kit and apparatus for verifying calibration and linearity of vertical photometersFREEMAN MARY J·Filed 1992·Granted Nov 2, 1993·34 cites·21 claims
- 0264US5183761AMethod of making calibration solution for verifying calibration and linearity of vertical photometersFREEMAN MARY J·Filed 1989·Granted Feb 2, 1993·27 cites·9 claims
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