Thomas H. Dalrymple

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Marion, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Mining method and system
- Patent number 4,453,770
- Issue date Jun 12, 1984
- Dresser Industries, Inc.
- Thomas H. Dalrymple
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cross-pit conveyor
- Patent number 4,446,958
- Issue date May 8, 1984
- Dresser Industries, Inc.
- Thomas H. Dalrymple
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL