Inventor · disambiguated record
Elzard Sikkema
Also filed as: SIKKEMA ELZARD · SIKKEMA ELZARD A
6 granted patents·94 citations·filing 2004–2011
85Inventor score
Top patents by PatentIndex Score
6 records- 0191US7988133B2Combined guardrail and cable safety systemsTRINITY IND INC·Filed 2008·Granted Aug 2, 2011·26 cites·6 claims
- 0288US7249908B2Combined guardrail and cable safety systemsTRINITY IND INC·Filed 2004·Granted Jul 31, 2007·35 cites·12 claims
- 0384US8157471B2Combined guardrail and cable safety systemsBERGENDAHL PETER·Filed 2010·Granted Apr 17, 2012·10 cites·12 claims
- 0482US7544009B2Combined guardrail and cable safety systemsTRINITY IND INC·Filed 2006·Granted Jun 9, 2009·13 cites·10 claims
- 0577US7686535B2Combined guardrail and cable safety systemsTRINITY IND INC·Filed 2006·Granted Mar 30, 2010·9 cites·8 claims
- 0653US8276886B2Combined guardrail and cable safety systemsGRIPNE DON J·Filed 2011·Granted Oct 2, 2012·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →