Individual holder
GUYNN JOHN M
US·3 granted patents·91 citations·filing 1998–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0197US8414700B2Narrow PSD hydraulic cement, cement-SCM blends, and methods for making sameGUYNN JOHN M·Filed 2011·Granted Apr 9, 2013·25 cites·32 claims
- 0297US8323399B2High early strength pozzolan cement blendsGUYNN JOHN M·Filed 2011·Granted Dec 4, 2012·38 cites·20 claims
- 0367US6016812AApparatus and systems for cleaning under a person's fingernailsGUYNN JOHN M·Filed 1998·Granted Jan 25, 2000·28 cites·23 claims
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