Inventor · disambiguated record
David J. Swahlan
Also filed as: SWAHLAN DAVID J
3 granted patents·42 citations·filing 1988–2012
69Inventor score
Technology areasE01F
Top patents by PatentIndex Score
3 records- 0168US8210767B1Vehicle barrier with access delaySWAHLAN DAVID J·Filed 2009·Granted Jul 3, 2012·10 cites·23 claims
- 0263US4822207AAnti-terrorist vehicle crash impact energy absorbing barrierUS ENERGY·Filed 1988·Granted Apr 18, 1989·31 cites·27 claims
- 0349US8523478B2Vehicle barrier with access delaySWAHLAN DAVID J·Filed 2012·Granted Sep 3, 2013·1 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →