Inventor · disambiguated record
David R. Bertenshaw
Also filed as: BERTENSHAW DAVID R
7 granted patents·208 citations·filing 1981–1993
88Inventor score
Top patents by PatentIndex Score
7 records- 0184US5237244AElectric lighting and power controllers thereforBERTENSHAW DAVID R·Filed 1991·Granted Aug 17, 1993·52 cites·20 claims
- 0284US5066896AElectric lighting and power controllers thereforSTRAND LIGHTING LTD·Filed 1989·Granted Nov 19, 1991·45 cites·9 claims
- 0381US5424618AArrangements for reducing interference from a dimming system, and dimmer thereforFiled 1993·Granted Jun 13, 1995·49 cites·23 claims
- 0469US4437169AStage lighting control systemRANK ORGANISATION LTD·Filed 1981·Granted Mar 13, 1984·24 cites·7 claims
- 0553US5235499ALamp system having a torroidal light emitting memberSTRAND LIGHTING LTD·Filed 1992·Granted Aug 10, 1993·18 cites·2 claims
- 0640US4933804AInterference suppression for semi-conducting switching devicesRANK ORGANISATION PLC·Filed 1988·Granted Jun 12, 1990·13 cites·17 claims
- 0736US5143447ALamp system having a torroidal light emitting memberBERTENSHAW DAVID R·Filed 1991·Granted Sep 1, 1992·7 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →