Marine propulsion – Oar or paddle
Patent
1998-06-17
2000-02-22
Avila, Stephen
Marine propulsion
Oar or paddle
114221R, B63H 1604
Patent
active
060273860
ABSTRACT:
A hand operated boat propulsion device (paddle or oar) that may also be used to draw and spray water. The device may also be used as an air pump.
REFERENCES:
patent: 1078320 (1913-11-01), Stratton
patent: 4820216 (1989-04-01), Masters
patent: 4911364 (1990-03-01), Irie
patent: 5016669 (1991-05-01), Jamieson
patent: 5163778 (1992-11-01), Botero
patent: 5231951 (1993-08-01), Tagar
patent: 5322462 (1994-06-01), Hull et al.
patent: 5902162 (1999-05-01), Kot et al.
Hains Nancy
Savory Kenneth J
Avila Stephen
Johnson Larry D.
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