Patents for John Parker |
Patents 1 -
15
of 34
      |
Number | Title | Classification(s) |
5,410X | Ornamenting and constructing picture, looking glass, and other frames, called the Jackson Ground | |
63,106 | Improvement in Nail Hammers | 81/23 |
71,885 | Improvement in Clamp-Screws | 411/427, 81/119 |
78,164 | Improved Hammer | 403/238 |
80,550 | Steam Hammer | 91/234 |
84,410 | Improvement in Nut Planers | 470/108, 470/206, 82/138 |
94,085 | Improvement in Duplex Wrench | 81/93 |
103,701 | Improvement in Correcting the Deviation of the Mariners' Compass | 33/357, 33/359 |
108,305 | Improved Planing Mechanism | 407/37, 82/1.5 |
111,084 | Improvement in tables for drilling-machines | 144/286.1, 227/154, 269/289MR, 269/329 |
120,947 | Improvement in Duplex Wrenches | 81/178, 81/93 |
124,813 | Improvement in Planing Machines | 125/9, 409/289 |
134,296 | Grinding Machines | 451/213, 451/237, 451/410 |
426,850 | Barrel-setting-up machine | 147/10, 147/2 |
616,654 | Screw Machine | 29/49, 74/817 |