David W. Bull

Person

Hersey, MI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Turbidity sensor
- Patent number 5,828,458
- Issue date Oct 27, 1998
- Nartron Corporation
- Robert E. Taylor
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for aligning turn signal switch
- Patent number 5,576,524
- Issue date Nov 19, 1996
- Nartron Corporation
- Peter H. Strom
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Failsafe module
- Patent number 5,568,118
- Issue date Oct 22, 1996
- Nartron Corporation
- Christian J. Andersen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Failsafe module
- Patent number 5,373,281
- Issue date Dec 13, 1994
- Nartron Corporation
- Christian J. Andersen
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Linear-output, temperature-stable rotational sensor including magne...
- Patent number 5,270,645
- Issue date Dec 14, 1993
- Nartron Corporation
- Mark Wheeler
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Lamp assembly light shield and retaining means
- Patent number 4,290,092
- Issue date Sep 15, 1981
- Nartron Corporation
- David W. Bull
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Lamp assembly light shield and retaining means
- Patent number 4,231,082
- Issue date Oct 28, 1980
- Nartron Corporation
- David W. Bull
- F21 - LIGHTING
Information Patent Grant
Lens shield means
- Patent number 4,126,375
- Issue date Nov 21, 1978
- Nartron Corporation
- David W. Bull
- B60 - VEHICLES IN GENERAL

David W. Bull

Person

Patents Grantslast 30 patents

Turbidity sensor

Method and apparatus for aligning turn signal switch

Failsafe module

Failsafe module

Linear-output, temperature-stable rotational sensor including magne...

Lamp assembly light shield and retaining means

Lamp assembly light shield and retaining means

Lens shield means