David H. Shepard

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Rye, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Power generation from high altitude winds
- Patent number 4,659,940
- Issue date Apr 21, 1987
- Cognitronics Corporation
- David H. Shepard
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Apparatus for extracting energy from winds at high altitudes
- Patent number 4,572,962
- Issue date Feb 25, 1986
- Cognitronics Corporation
- David H. Shepard
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...