| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 241 | Garden cultivator and weeder | US19115950 | 1950-10-20 | US2737101A | 1956-03-06 | HUTCHINS SAMUEL F |
| 242 | Garden implement | US79389047 | 1947-12-26 | US2672804A | 1954-03-23 | KRALOVETZ ANTON J; SIMPSON EUGENE H |
| 243 | Push-pull hoe | US6467648 | 1948-12-10 | US2579229A | 1951-12-18 | ERICKSON ELMER L; HUME ALBERT N |
| 244 | Hand cultivating and weeding tool | US70554846 | 1946-10-25 | US2544136A | 1951-03-06 | CRITCHER CLEM N |
| 245 | Rotary cultivator | US68530346 | 1946-07-22 | US2528576A | 1950-11-07 | HARRISON BROWN |
| 246 | Disk type garden cultivator | US69421346 | 1946-08-31 | US2524330A | 1950-10-03 | ROSSI DOMENIC A |
| 247 | Hoe | US56350144 | 1944-11-15 | US2421600A | 1947-06-03 | CUMPSTON JAMES H |
| 248 | Hoe | US56261644 | 1944-11-09 | US2407740A | 1946-09-17 | GEORGE GAILUS |
| 249 | Cultivating tool | US48117543 | 1943-03-30 | US2400241A | 1946-05-14 | LINDEN JOHN F |
| 250 | Garden tool | US49144443 | 1943-06-19 | US2387748A | 1945-10-30 | CUDDIGAN BARTHOLOMEW O; WIRTH JAMES F |
| 251 | Hoe | US38259241 | 1941-03-10 | US2351136A | 1944-06-13 | FERDINAND LINDEN JOHN |
| 252 | Lawn and garden tool | US39739341 | 1941-06-10 | US2343616A | 1944-03-07 | FRANKLIN KAY BENJAMIN |
| 253 | Gardening tool | US71258234 | 1934-02-23 | US2056007A | 1936-09-29 | LOUIS JAENICHEN |
| 254 | Garden cultivator | US1462235 | 1935-04-04 | US2048201A | 1936-07-21 | SHORT BYRON O |
| 255 | Cultivator | US60544832 | 1932-04-15 | US1998195A | 1935-04-16 | JENNY FRED E |
| 256 | Cultivator | US66142733 | 1933-03-18 | US1972716A | 1934-09-04 | FRANK SCHMIDT |
| 257 | Hand operated weeding and cultivating tool | US68944733 | 1933-09-14 | US1960894A | 1934-05-29 | BUEHLER EMIL O |
| 258 | Universal weeding implement | US62319032 | 1932-07-18 | US1946006A | 1934-02-06 | FREDERICK STRUCKMEYER |
| 259 | Cultivator | US47331030 | 1930-08-06 | US1875159A | 1932-08-30 | ROWE ALVIN V |
| 260 | Mechanical spader | US36791429 | 1929-06-03 | US1827429A | 1931-10-13 | GLASIER HAROLD H |
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