序号 | 专利名 | 申请号 | 申请日 | 公开(公告)号 | 公开(公告)日 | 发明人 |
---|---|---|---|---|---|---|
261 | Combined foot-rest and kneeling-stool | US365446D | US365446A | 1887-06-28 | ||
262 | Fire-escape | US324914D | US324914A | 1885-08-25 | ||
263 | George o | US283580D | US283580A | 1883-08-21 | ||
264 | Improvement in combined hat-box, kneeling-stool, and foot-rest | US182310D | US182310A | 1876-09-19 | ||
265 | James lamb | US73346D | US73346A | 1868-01-14 | ||
266 | Improvement in buildeesi scaffold | US71960D | US71960A | 1867-12-10 | ||
267 | Impeoyed foot-best aid kneeliig-boaed | US62434D | US62434A | 1867-02-26 | ||
268 | Improved foot and kneeling stool | US41163D | US41163A | 1864-01-05 | ||
269 | Scaffolding | US26840D | US26840A | 1860-01-17 | ||