Richard P. Dunn

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Wichita Falls, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Trailer hitch assembly
- Patent number 5,040,817
- Issue date Aug 20, 1991
- Richard P. Dunn
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Petroleum pumping unit
- Patent number 4,430,924
- Issue date Feb 14, 1984
- Hydrowell SA
- Richard P. Dunn
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...