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 |
|---|---|---|---|---|---|---|
| 301 | Device for cleaning teeth | US32033563 | 1963-10-31 | US3228055A | 1966-01-11 | LEVENSON MYRON F |
| 302 | Device for cleaning teeth | US5274160 | 1960-08-29 | US3109192A | 1963-11-05 | LEVENSON MYRON F |
| 303 | Disposable toothbrush | US4258260 | 1960-07-13 | US3103935A | 1963-09-17 | WOODROW LOUIS J |
| 304 | Dental cleaning tool, apparatus, and method | US11444961 | 1961-06-02 | US3091033A | 1963-05-28 | ELLMAN IRVING A |
| 305 | Chewing device | US2868960 | 1960-05-12 | US3071476A | 1963-01-01 | WERFT AUGUST R; WERFT ALLAN J |
| 306 | Tooth cleaning device | US83670859 | 1959-08-28 | US3050072A | 1962-08-21 | JACK DIENER |
| 307 | Dentifrice applicator | US40822454 | 1954-02-04 | US2761166A | 1956-09-04 | GEORGE CONNOLLY |
| 308 | Motor driven dental scaler | US46706654 | 1954-11-05 | US2751685A | 1956-06-26 | SHARON IRVING M; SCHERER WILLIAM W |
| 309 | Tooth polisher | US79017047 | 1947-12-06 | US2686326A | 1954-08-17 | WARD LEATHERS |
| 310 | Cleaning device for teeth | US19747350 | 1950-11-24 | US2677843A | 1954-05-11 | BARDIN GOODMAN JACOB |
| 311 | Dental massaging, cleaning, and medicating device | US20767051 | 1951-01-25 | US2634722A | 1953-04-14 | FREDERICK JACKSON CHARLES JOSE |
| 312 | Agitating ejector type dental lathe pan | US66826646 | 1946-05-08 | US2421498A | 1947-06-03 | LOUIS GUEDEL ROBERT |
| 313 | Method of making dental polishing tools | US46192942 | 1942-10-14 | US2393751A | 1946-01-29 | CHOTT GEORGE A |
| 314 | Gum massager | US2373430D | US2373430A | 1945-04-10 | ||
| 315 | Cleansing and polishing medium for dentifrices or the like | US42091341 | 1941-11-29 | US2343651A | 1944-03-07 | FIELDING GEORGE T |
| 316 | Dental appliance | US45660342 | 1942-08-29 | US2335298A | 1943-11-30 | MOBLEY LEWIS K |
| 317 | Cup | US24018438 | 1938-11-12 | US2222741A | 1940-11-26 | MARSHALL BUSH EDWARD |
| 318 | Tooth and mouth cleaning implement | US8625636 | 1936-06-20 | US2146290A | 1939-02-07 | DOYLE WILLIAM H |
| 319 | Dental appliance | US9414536 | 1936-08-04 | US2110315A | 1938-03-08 | EDWARD WOLFSON |
| 320 | Tooth cleaning device and composition | US65148933 | 1933-01-13 | US1969874A | 1934-08-14 | BUTTERFIELD SIDNEY H |
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