| 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 | Cord severing implement | US60376232 | 1932-04-07 | US1877376A | 1932-09-13 | WRIGHT MARCUS G; WOOTTON FRANCIS D |
| 162 | Veterinary castrating instrument | US47211130 | 1930-07-31 | US1850906A | 1932-03-22 | HUBERT ZINS |
| 163 | Emasculating device | US42016830 | 1930-01-11 | US1797017A | 1931-03-17 | OWENS JAMES A |
| 164 | Lamb castrator | US37290329 | 1929-06-22 | US1775906A | 1930-09-16 | CHARLES LEMOINE EMILE |
| 165 | Caponizing instrument | US39060729 | 1929-09-05 | US1752891A | 1930-04-01 | CRIDLAND CLIFFORD F |
| 166 | Sterilizer | US30546428 | 1928-09-12 | US1742545A | 1930-01-07 | KOTHMAN WESLEY H |
| 167 | Caponizing instrument | US29276728 | 1928-07-14 | US1729506A | 1929-09-24 | DEUTSCH HERMANN B |
| 168 | Emasculatome | US30521728 | 1928-09-11 | US1729264A | 1929-09-24 | FITCH EMERT L |
| 169 | Stock castrater | US24208627 | 1927-12-23 | US1686990A | 1928-10-09 | ROSS OTLEY B |
| 170 | Emasculating tool | US71514624 | 1924-05-22 | US1554053A | 1925-09-15 | HERMAN WEPPLER |
| 171 | Tool for emasculating and tailing lambs | US45900421 | 1921-04-06 | US1487972A | 1924-03-25 | PLUMMER ROBERT E |
| 172 | Instrument for removing the testicles of birds | US57108022 | 1922-06-26 | US1451398A | 1923-04-10 | LESPINASSE VICTOR D |
| 173 | Emasculator. | US1912722995 | 1912-09-28 | US1062146A | 1913-05-20 | DOUGLASS ERNEST D |
| 174 | Caponizing instrument. | US1909514041 | 1909-08-21 | US962586A | 1910-06-28 | PILLING CHARLES J |
| 175 | Ecraseur or castrating instrument. | US1908457105 | 1908-10-10 | US922350A | 1909-05-18 | SKLAR JOHN |
| 176 | Castrating-tool. | US1900023933 | 1900-07-17 | US672997A | 1901-04-30 | WOOTAN GEORGE W |
| 177 | Castrating-tool. | US1900026156 | 1900-08-07 | US665100A | 1901-01-01 | JOHNSON LOUIS |
| 178 | Castrating instrument | US558668D | US558668A | 1896-04-21 | ||
| 179 | Castrating-forceps | US540092D | US540092A | 1895-05-28 | ||
| 180 | Caponizer | US539309D | US539309A | 1895-05-14 | ||
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