Individual holder
CALLIS RICHARD A
US·4 granted patents·8 citations·filing 2008–2011
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0169US8257631B2Mold for use in making composite structuresCALLIS RICHARD A·Filed 2011·Granted Sep 4, 2012·2 cites·19 claims
- 0264US8510946B2Helicopter blade mandrel with roller assemblyCALLIS RICHARD A·Filed 2011·Granted Aug 20, 2013·1 cites·18 claims
- 0363US8066504B2Helicopter blade mandrel with roller assemblyCALLIS RICHARD A·Filed 2008·Granted Nov 29, 2011·4 cites·20 claims
- 0452US8163219B2Helicopter blade mandrelCALLIS RICHARD A·Filed 2010·Granted Apr 24, 2012·1 cites·16 claims
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