Assignee
WESTERDAL ROLAND
8 granted patents·340 citations·filing 1995–2010
Top patents by PatentIndex Score
8 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
- 0585USD648899SSafety helmetWESTERDAL ROLAND·Filed 2010·Granted Nov 15, 2011·37 cites·1 claims
- 0683USD408526SEar plugWESTERDAL ROLAND·Filed 1997·Granted Apr 20, 1999·27 cites·1 claims
- 0781USD381414SHead band hearing protectorWESTERDAL ROLAND·Filed 1995·Granted Jul 22, 1997·26 cites·1 claims
- 0840USD412976SHead band hearing protectorWESTERDAL ROLAND·Filed 1996·Granted Aug 17, 1999·4 cites·1 claims
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