Inventor · disambiguated record
Darrell Darrow
Also filed as: DARROW DARRELL · DARROW DARRELL L
4 granted patents·108 citations·filing 1993–1999
79Inventor score
Files withFACE INTERNAT CORP1
Top patents by PatentIndex Score
4 records- 0188US6780369B1Method of finishing plastic concrete mixtureFACE INTERNAT CORP·Filed 1999·Granted Aug 24, 2004·55 cites·5 claims
- 0273US5527175AApparatus of staged resonant frequency vibration of concreteFiled 1993·Granted Jun 18, 1996·22 cites·12 claims
- 0362US5520862AMethod of staged resonant frequency vibration of concreteFiled 1993·Granted May 28, 1996·25 cites·15 claims
- 0430US5814232AMethod of separating constitutent ingredients of mixtures by staged resonant frequency vibrationFiled 1996·Granted Sep 29, 1998·6 cites·8 claims
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