序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
201 | Weed clearing device for plows | US38604253 | 1953-10-14 | US2829579A | 1958-04-08 | KREHBIEL DANIEL E |
202 | bauer | US2733647D | US2733647A | 1956-02-07 | ||
203 | Jointer device for plow | US44528754 | 1954-07-23 | US2712784A | 1955-07-12 | BAUER DONALD J |
204 | Spreader disk mounting for colter blades | US1578448 | 1948-03-19 | US2601019A | 1952-06-17 | ETHEL BUSSE |
205 | Plowing mechanism | US56861744 | 1944-12-18 | US2440174A | 1948-04-20 | MICHAEL HOWARD |
206 | Farming implement | US53239144 | 1944-04-24 | US2391910A | 1946-01-01 | LUTES OAKLEY D |
207 | Plow for trash covering | US34816640 | 1940-07-29 | US2299381A | 1942-10-20 | COLLINS EDGAR V |
208 | Farming implement | US27721139 | 1939-06-03 | US2230750A | 1941-02-04 | HOLLANDSWORTH GEORGE W |
209 | Attachment for plows | US13778126 | 1926-09-25 | US1733046A | 1929-10-22 | BARTLOW LOWELL W |
210 | Plow attachment | US23526527 | 1927-11-23 | US1730107A | 1929-10-01 | WORK ALVIN E |
211 | Attachment for plows | US27132228 | 1928-04-19 | US1727154A | 1929-09-03 | ANDERSON BURT J |
212 | Attachment for plows | US1669825 | 1925-03-19 | US1593126A | 1926-07-20 | JOHNS ANDREW J |
213 | Long-sweep attachment for cultivators | US73529724 | 1924-09-02 | US1543115A | 1925-06-23 | LONG JOSEPH B |
214 | Attachment for plows | US48356221 | 1921-07-09 | US1433614A | 1922-10-31 | HAYES BURRIS E |
215 | Rolling colter and jointer. | US12978816 | 1916-11-06 | US1273898A | 1918-07-30 | MELVIN CHARLES H; SEAHOLM JOHN P |
216 | Sugar-cane cultivator. | US9408816 | 1916-04-28 | US1260746A | 1918-03-26 | BERNSON CHARLES WILLIAM |
217 | Rolling colter and jointer attachment for plows. | US13820116 | 1916-12-21 | US1250371A | 1917-12-18 | SIDELL PHILIP S |
218 | Colter and jointer attachment for plows. | US567215 | 1915-02-02 | US1207166A | 1916-12-05 | HEYLMAN EDWARD M |
219 | Root-cutting plow. | US1914877387 | 1914-12-15 | US1149102A | 1915-08-03 | WEBSTER ALVAH D |
220 | Weed and stalk turning attachment for plows. | US1912713376 | 1912-08-05 | US1101717A | 1914-06-30 | SHEPHERD JAMES MELTON |