Tooth guard whistle

Details Tooth guard whistle Tooth guard whistle

1991-09-30

1992-11-24

Brown, Michael A.

Surgery

Body protecting or restraining devices for patients or infants

Head or face protector

446202, A61C 514, A63H 3340

Patent

active

051654237

ABSTRACT:
A tooth guard whistle is provided which consists of a curved mouthpiece worn between the teeth and lips of a person for protecting the teeth. The mouthpiece has a central air passage and a plurality of side air passages. A small wind instrument is connected to the central air passage, so that in a first instance when the lips of the person do not cover the side air passages, the person can breath through the curved mouthpiece, while in a second instance when the lips of the person cover the side air passages, the person can force air through the central air passage to operate the small wind instrument.

REFERENCES:
patent: 31876 (1899-11-01), Couchois
patent: 61846 (1867-02-01), McClain
patent: 497759 (1893-05-01), Beardsley
patent: 733122 (1903-04-01), Bartholomew
patent: 1092507 (1914-04-01), Putman
patent: 1367176 (1921-02-01), Bridges
patent: 1437317 (1922-11-01), Klein
patent: 2463630 (1949-03-01), Kimple
patent: 2911694 (1959-11-01), Seron
patent: 3211143 (1965-10-01), Grossberg
patent: 4218845 (1980-08-01), Evans
patent: 4495945 (1985-01-01), Liegner
patent: 4614503 (1986-09-01), Skoda
patent: 4955393 (1990-09-01), Adell

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