William David Holt

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Colne, EN

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Patents Grantslast 30 patents

Information Patent Grant
Electrical systems for road vehicles
- Patent number 4,015,136
- Issue date Mar 29, 1977
- Lucas Electrical Company Limited
- William David Holt
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Direction indicator control circuits for road vehicles
- Patent number 3,955,175
- Issue date May 4, 1976
- The Lucas Electrical Company Limited
- William David Holt
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Control circuits for double acting electromagnets
- Patent number 3,931,551
- Issue date Jan 6, 1976
- The Lucas Electrical Company Limited
- William David Holt
- H01 - BASIC ELECTRIC ELEMENTS