| 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 | Clod-crusher and harrow. | US1905262649 | 1905-05-27 | US814499A | 1906-03-06 | ABRAHAM EDWARD C |
| 242 | Lister-cultivator. | US1904200809 | 1904-03-30 | US805601A | 1905-11-28 | WATERMAN LEWIS E |
| 243 | Harrow. | US1903263931 | 1903-09-22 | US799604A | 1905-09-12 | LENT ORLANDO D |
| 244 | Cultivator. | US1904232793 | 1904-11-15 | US796401A | 1905-08-01 | CLOYD OLIVER H |
| 245 | Pulverizer. | US1904223698 | 1904-09-08 | US795327A | 1905-07-25 | ARIENS HENRY; THOMPSON JOHN |
| 246 | Cultivator. | US1903183894 | 1903-12-05 | US794751A | 1905-07-18 | SOBEY WILLIAM |
| 247 | Surface cultivator. | US1904223573 | 1904-09-07 | US794009A | 1905-07-04 | HAMELBACK JACOB A |
| 248 | Cultivator attachment for plows. | US1904233714 | 1904-11-21 | US787355A | 1905-04-18 | CHAMBERS SAMUEL D |
| 249 | Riding spring-tooth harrow. | US1904227720 | 1904-10-08 | US781100A | 1905-01-31 | SHARP CHARLES S |
| 250 | Cultivator attachment. | US1904229596 | 1904-10-22 | US779528A | 1905-01-10 | COLLIER BENJAMIN PANNELL |
| 251 | Side-harrow brace. | US1904200926 | 1904-03-31 | US761725A | 1904-06-07 | TAYLOR WILLIAM A |
| 252 | Cultivator. | US1903185647 | 1903-12-18 | US755932A | 1904-03-29 | PRUYN MARCELLUS |
| 253 | Riding-harrow | US750970D | US750970A | 1904-02-02 | ||
| 254 | Cultivator. | US1903144929 | 1903-02-25 | US747844A | 1903-12-22 | BATEMAN FRANK |
| 255 | Riding attachment for harrows. | US1903167352 | 1903-07-28 | US746146A | 1903-12-08 | PERRY ALBERT WYMAN |
| 256 | Plow. | US1903163744 | 1903-06-30 | US745203A | 1903-11-24 | LATTA GEORGE S |
| 257 | Agricultural implement. | US1903143955 | 1903-02-18 | US739193A | 1903-09-15 | LUBIN DAVID |
| 258 | Road-grader. | US1902102877 | 1902-04-14 | US737611A | 1903-09-01 | HALL JAMES T; HITCHCOCK WILLIAM H |
| 259 | Weeder. | US1902119800 | 1902-08-15 | US731219A | 1903-06-16 | QUICKEL EDWIN G; QUICKEL ALLEN E |
| 260 | Harrow. | US1902109174 | 1902-05-27 | US728304A | 1903-05-19 | ROSS WILLIAM S |
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