Assignee

HAFSTAD BJORN

NO·2 granted patents·26 citations·filing 1982–1986

Technology mixF21V2 F21W2 F21Y2 F21S1

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2 records

0153US4533983ALighting fixtures with beam support and opposite end contact meansHAFSTAD BJORN·Filed 1982·Granted Aug 6, 1985·16 cites·11 claims
0236US4753603AWholly enclosed armature arrangement for fluorescent tubesHAFSTAD BJORN·Filed 1986·Granted Jun 28, 1988·10 cites·9 claims

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