Assignee
JOHN OTT LAB INC
3 granted patents·73 citations·filing 1975–1977
Top patents by PatentIndex Score
3 records- 0162US3947719AFiltered fluorescent lampJOHN OTT LAB INC·Filed 1975·Granted Mar 30, 1976·11 cites·4 claims
- 0253US4091441AFull-spectrum luminaireJOHN OTT LAB INC·Filed 1977·Granted May 23, 1978·49 cites·5 claims
- 0348US4004184AApparatus for operating gaseous discharge lamps on direct current from a source of alternating currentJOHN OTT LAB INC·Filed 1975·Granted Jan 18, 1977·13 cites·2 claims
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