Dentistry – Apparatus – Hand manipulatable implement
Patent
1979-06-18
1981-04-14
Henry, Jon W.
Dentistry
Apparatus
Hand manipulatable implement
433 30, A61B 124, G02B 718
Patent
active
042616379
ABSTRACT:
A reflective device for use in a highly moisturized atmosphere is disclosed which comprises a moveable mirror, a housing for holding the mirror and a motor for moving the mirror with sufficient velocity to prevent accumulation of moisture droplets on the surface of the mirror.
REFERENCES:
patent: 2737852 (1956-03-01), Porter et al.
patent: 3859987 (1975-01-01), Holstad
Clapp Roger A.
Henry Jon W.
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