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Patents Grantslast 30 patents

Information Patent Grant
Watercraft with collinear flotation elements
- Patent number 11,148,764
- Issue date Oct 19, 2021
- Dennis Brown Lee Brown
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Flotatation device propelled by human-powered ski machine
- Patent number 5,702,274
- Issue date Dec 30, 1997
- Robert D. White
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Floatation device with propeller and rudder driven by a bicycle
- Patent number 5,547,406
- Issue date Aug 20, 1996
- Robert D. White
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Aquatic device attachable to a two-wheeled vehicle
- Patent number 4,170,188
- Issue date Oct 9, 1979
- Joseph L. Jamison
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
2663278
- Patent number 2,663,278
- Issue date Dec 22, 1953
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT