Individual holder
BARBOUR RONALD L
US·3 granted patents·276 citations·filing 1988–2009
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0195US5266111AClass F. fly ash containing settable composition for general purpose concrete having high early strength and method of making sameBARBOUR RONALD L·Filed 1992·Granted Nov 30, 1993·110 cites·10 claims
- 0295US4992102ASynthetic class C fly ash and use thereof as partial cement replacement in general purpose concreteBARBOUR RONALD L·Filed 1988·Granted Feb 12, 1991·161 cites·9 claims
- 0379US8293005B2Pre-blend cement compositions containing pulverized fly ash or bottom ashBARBOUR RONALD L·Filed 2009·Granted Oct 23, 2012·5 cites·18 claims
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