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| All Patents in class 188/115 | |||||
| Picture | Number | Date | Patentee | Title | |
| 4,310X | Jan. 16, 1826 | E. Slifer | Mode of retarding carriages when descending hills | ||
![]() | 476,563 | Jun. 07, 1892 | S.J. Shimer | Cutter-head | |