Inventor · disambiguated record

Siegfried Roll

Also filed as: ROLL SIEGFRIED

1 granted patent·0 citations·filing 2010–2010

9Inventor score

Technology areasF21V

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0126US8820969B2Explosion protection housing with signaling deviceROLL SIEGFRIED·Filed 2010·Granted Sep 2, 2014·0 cites·18 claims

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