Ward; David P.

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Dallas, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Liquid fuel system with tilt valve
- Patent number 5,176,855
- Issue date Jan 5, 1993
- Ward; David P.
- James S. Jones
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Management system for the application of anhydrous ammonia fertilizer
- Patent number 5,170,820
- Issue date Dec 15, 1992
- Ward; David P.
- James S. Jones
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Fuel pressure control system for gaseous fuel engines
- Patent number 5,076,245
- Issue date Dec 31, 1991
- Ward; David P.
- James S. Jones
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

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