Dentistry – Apparatus – Hand manipulatable implement
Patent
1981-10-21
1982-12-21
Hirsch, Paul J.
Dentistry
Apparatus
Hand manipulatable implement
433 72, 433147, A61C 300
Patent
active
043647308
ABSTRACT:
A peridontal probe comprising a handle portion and a pin member rotatably mounted thereon about an axis of rotation, the pin member having a free end portion which is straight and flat, lies wholly to one side of and in the same plane as the axis of rotation, the spacing between the free end portion and the axis either being constant or decreasing in a direction towards the free end of the free end portion.
REFERENCES:
patent: 560702 (1896-05-01), Flaherty
patent: 656300 (1900-08-01), Perry
patent: 904990 (1908-11-01), Powers
patent: 1229024 (1917-06-01), Brandt
patent: 1406143 (1922-02-01), Bates
patent: 3935640 (1976-02-01), Cohan
patent: 4203223 (1980-05-01), Lautenschlager et al.
Hirsch Paul J.
Wilson John J.
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