子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 161 | Mouth cleansing and treating device | US41007564 | 1964-11-10 | US3242519A | 1966-03-29 | MURRAY MYLES N |
| 162 | Dental tool drive mechanism | US80071759 | 1959-03-20 | US3241239A | 1966-03-22 | ELLIS CHARLES A |
| 163 | Dental apparatus | US22471862 | 1962-09-19 | US3164153A | 1965-01-05 | CARLO ZORZI |
| 164 | Rotary tooth cleaning device | US56159156 | 1956-01-26 | US2960712A | 1960-11-22 | HAYER FREDERICK W |
| 165 | Combined dry shaver and oral instrument | US74353858 | 1958-06-23 | US2878499A | 1959-03-24 | PRESSMAN JOEL J |
| 166 | Portable dental device | US48447855 | 1955-01-27 | US2788000A | 1957-04-09 | CARL LATHER; SITRON HAROLD H |
| 167 | Apparatus for the cleansing treatment of parts of the body | US33444653 | 1953-02-02 | US2757668A | 1956-08-07 | EMANUEL MEYER-SALADIN OSKAR |
| 168 | Tooth cleaner | US25392851 | 1951-10-30 | US2612176A | 1952-09-30 | WOMEN SAM SAM |
| 169 | Powder applicator having a powderreceiving spout and a recessed outlet accommodating a toothbrush | US64475146 | 1946-02-01 | US2529004A | 1950-11-07 | ELEY VIRGIL D |
| 170 | Teeth cleaning assembly | US74611147 | 1947-05-05 | US2469261A | 1949-05-03 | COOPER FRED B |
| 171 | Toothbrush | US25892539 | 1939-02-28 | US2221363A | 1940-11-12 | SWEATT ROBERT C |
| 172 | Dental polishing machine | US6538136 | 1936-02-24 | US2202299A | 1940-05-28 | PELKEY LOUIS N |
| 173 | Tooth cleaning element | US15641337 | 1937-07-29 | US2165420A | 1939-07-11 | HENRY SEIFERT CHARLES |
| 174 | Dental vibrator | US8157736 | 1936-05-25 | US2141304A | 1938-12-27 | KIRWAN JOHN P; BERNARD JACKSON |
| 175 | Tooth cleaning device | US15326637 | 1937-07-12 | US2131676A | 1938-09-27 | SEIFERT CHARLES H |
| 176 | Fluid control device | US2490435 | 1935-06-04 | US2124747A | 1938-07-26 | PIEPER ALPHONSE F |
| 177 | Dental stick | US6125336 | 1936-01-28 | US2122920A | 1938-07-05 | RUSSELL ARTHUR N |
| 178 | Reciprocating pump | US57938831 | 1931-12-07 | US1995424A | 1935-03-26 | LEE GUINNESS KENELM EDWARD |
| 179 | Hand apparatus for mouth or dental treatment | US36964229 | 1929-06-10 | US1935973A | 1933-11-21 | MAX ALTMANN |
| 180 | Device for cleaning and polishing teeth | US32865928 | 1928-12-27 | US1833842A | 1931-11-24 | LEONARD NORRIS C |
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