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| Patents for J. Dennis Jr. | |||||
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| Number | Title | Classification(s) | |||
| 9,784 | Mortising machine | 144/84 | |||
| 11,787 | Pawl Drill | 81/33 | |||
| 14,130 | Machine for bending plow-handles, &c. | 144/266, 24/67R, 402/18 | |||
| 27,206 | Machine for cutting and distancing the locks on hoops | 147/46 | |||
| 30,343 | Power Hammer | 72/434, 72/441 | |||
| 35,740 | Improvements in Wrenches | 81/174, 81/185.1 | |||
| 44,504 | Improved machine for filing saws | 76/31 | |||
| 48,663 | Carpenter's Gage | 33/44 | |||
| 71,461 | Improvement in water-wheels | 415/201, 415/205 | |||
| 92,887 | Improvement in mitre-box | 83/767 | |||