| 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 | Garden tool | US57536931 | 1931-11-16 | US1924950A | 1933-08-29 | MANDELKO JR AUGUST W |
| 162 | Hoe | US48486730 | 1930-09-27 | US1901778A | 1933-03-14 | SCHLAG HIRAM P |
| 163 | Hand hoe | US5955525 | 1925-09-30 | US1722063A | 1929-07-23 | KARL SPITZENBERG GEORG |
| 164 | Soil-working implement | US6884625 | 1925-11-13 | US1688971A | 1928-10-23 | KAMMERER WILLIAM H |
| 165 | Device for firmly attaching exchangeable blades to hoes, mattocks, or the like | US26040228 | 1928-03-09 | US1684849A | 1928-09-18 | EDUARD RUGGEBERG CARL |
| 166 | Hand cultivator | US46417321 | 1921-04-25 | US1465656A | 1923-08-21 | SWAN JOHN B |
| 167 | Garden tool | US46681921 | 1921-05-04 | US1423865A | 1922-07-25 | ARTHUR MILLER |
| 168 | Cultivator | US49138321 | 1921-08-11 | US1417942A | 1922-05-30 | CHARLES PUTKOWSKI |
| 169 | Hoe | US18519617 | 1917-08-08 | US1404666A | 1922-01-24 | STEKLEY JOSEPH F |
| 170 | Garden-tool | US30396319 | 1919-06-13 | US1385089A | 1921-07-19 | ARTHUR MILLER |
| 171 | Garden-weeder | US19953417 | 1917-10-31 | US1334586A | 1920-03-23 | ELY BAKER CHARLES |
| 172 | Harrow attachment. | US22528518 | 1918-03-28 | US1284901A | 1918-11-12 | JOHNSON JOHN O |
| 173 | Cultivator and weeder. | US7717916 | 1916-02-09 | US1258711A | 1918-03-12 | SCHMITT PHILIPP |
| 174 | Hand-cultivator. | US18310817 | 1917-07-27 | US1248914A | 1917-12-04 | REID WILLIAM E |
| 175 | Hand-weeder. | US1914861052 | 1914-09-10 | US1173137A | 1916-02-22 | WOOD ALBERT J |
| 176 | Hoe. | US1909482347 | 1909-03-09 | US932249A | 1909-08-24 | CONGDON HENRY A |
| 177 | Garden-hoe. | US1907402706 | 1907-11-18 | US886203A | 1908-04-28 | GRASSHAW THOMAS |
| 178 | Farming implement. | US1907365369 | 1907-03-29 | US883072A | 1908-03-24 | ABBOTT MILO |
| 179 | Weeder. | US1906344222 | 1906-11-20 | US841431A | 1907-01-15 | PEARL EUGENE |
| 180 | Garden-cultivator. | US1905273260 | 1905-08-08 | US826762A | 1906-07-24 | COLEGATE THOMAS K |
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