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| Patents for John P. Worthing | |||||
| Picture | Number | Date | Patentee | Title | |
![]() | 106,937 | Aug. 30, 1870 | R.D. Hobart | Improvement in sash and blind-machine | |
![]() | 173,069 | Feb. 01, 1876 | M.W. Shapley | Improvement in governors for steam-engines | |