David F. Carl

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Springfield, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Hydraulic steering system with automatic emergency pump flow control
- Patent number 4,453,451
- Issue date Jun 12, 1984
- FiatAllis North America, Inc.
- Robert T. Streeter
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Grant
Multi-function control valve
- Patent number 4,230,152
- Issue date Oct 28, 1980
- Fiat-Allis Construction Machinery, Inc.
- David F. Carl
- B60 - VEHICLES IN GENERAL