Assignee

FUERTHBAUER RUPERT

CH·1 granted patent·41 citations·filing 1987–1987

Technology mixA61F1 B60J1 H05B1

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0144US4920257ALight filter with automatic regulationof optical transmissionFUERTHBAUER RUPERT·Filed 1987·Granted Apr 24, 1990·41 cites·15 claims

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