Inventor · disambiguated record
Roland Westerdal
Also filed as: WESTERDAL ROLAND
9 granted patents·1 pending application·473 citations·filing 1979–2010
92Inventor score
Top patents by PatentIndex Score
10 records- 0196USD385665SPair of ear cupsWESTERDAL ROLAND·Filed 1996·Granted Oct 28, 1997·81 cites·1 claims
- 0295USD375584SEar cupWESTERDAL ROLAND·Filed 1995·Granted Nov 12, 1996·78 cites·1 claims
- 0390USD544650SProtective ear cupWESTERDAL ROLAND·Filed 2005·Granted Jun 12, 2007·48 cites·1 claims
- 0489USD435645SEar plugWESTERDAL ROLAND·Filed 1999·Granted Dec 26, 2000·39 cites·1 claims
- 0586US4314553AEarplug and earplug setBILSOM AB·Filed 1979·Granted Feb 9, 1982·133 cites·17 claims
- 0685USD648899SSafety helmetWESTERDAL ROLAND·Filed 2010·Granted Nov 15, 2011·37 cites·1 claims
- 0783USD408526SEar plugWESTERDAL ROLAND·Filed 1997·Granted Apr 20, 1999·27 cites·1 claims
- 0881USD381414SHead band hearing protectorWESTERDAL ROLAND·Filed 1995·Granted Jul 22, 1997·26 cites·1 claims
- 0940USD412976SHead band hearing protectorWESTERDAL ROLAND·Filed 1996·Granted Aug 17, 1999·4 cites·1 claims
- 1037US2003142264A1Reading safety glassesFiled 2002·Application pending·0 cites
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