William H. Holl

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Flint, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Closed loop mass airflow determination via throttle position
- Patent number 4,999,781
- Issue date Mar 12, 1991
- General Motors Corporation
- William H. Holl
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Closed loop carburetor air-fuel ratio control apparatus
- Patent number 4,034,730
- Issue date Jul 12, 1977
- General Motors Corporation
- John A. Ayres
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Closed loop carburetor air-fuel ratio control
- Patent number 3,982,517
- Issue date Sep 28, 1976
- General Motors Corporation
- Douglas I. Fales
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS