Assignee
JOHNSON FRED M
US·4 granted patents·1 citations·filing 2011–2015
Top patents by PatentIndex Score
4 records- 0165US8695398B2Intrinsically-calibrated tribometerJOHNSON FRED M·Filed 2011·Granted Apr 15, 2014·1 cites·7 claims
- 0247US9470619B2Intrinsically-calibrated tribometerJOHNSON FRED M·Filed 2015·Granted Oct 18, 2016·0 cites·20 claims
- 0345US8915117B2Intrinsically-calibrated tribometerJOHNSON FRED M·Filed 2014·Granted Dec 23, 2014·0 cites·12 claims
- 0442US9063051B2Intrinsically-calibrated tribometerJOHNSON FRED M·Filed 2012·Granted Jun 23, 2015·0 cites·20 claims
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