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| All Patents in class 5/51.1 | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 19,928 | Apr. 13, 1858 | S. Holl | Hub-boring machine | |
![]() | 104,358 | Jun. 14, 1870 | J.J. Russ | Improved sofa-bed | |
| 1,436,623 | Nov. 21, 1922 | P.F. Lueth | Independent direct-acting skid lift | ||