Underwater sound and bubbles for powered watercraft

Details Underwater sound and bubbles for powered watercraft Underwater sound and bubbles for powered watercraft

2005-12-20

2005-12-20

Olson, Lars A. (Department: 3617)

Marine propulsion

Jet drive

C114S151000

Reexamination Certificate

active

06976891

ABSTRACT:
Sound and bubble producing apparatus formed by a channeled member having an air inlet and outlet immersible in a body of water, with said outlet accompanied by structure that casuse air bubbles and sound to be emitted from said outlet when immersed the body of water.

REFERENCES:
patent: 3372667 (1968-03-01), Sweet
patent: 3933113 (1976-01-01), Dornak, Jr.
patent: 4115888 (1978-09-01), Sievers
patent: 6250977 (2001-06-01), Ness
patent: 6520814 (2003-02-01), Elias et al.

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