Douglas Weissmann

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Cayucos, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Device and method of throwing objects
- Patent number 8,028,684
- Issue date Oct 4, 2011
- Douglas Weissmann
- F41 - WEAPONS
Information Patent Grant
Wind turbine having a blade ring using magnetic levitation
- Patent number 7,964,978
- Issue date Jun 21, 2011
- Douglas Weissmann
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...