Patents for A. E. H. Johnson |
Patents 1 -
15
of 46
      |
Number | Title | Classification(s) |
4,787 | Lath-cutting machines | 144/166 |
5,336 | Sawing hand-rails for stairs | 83/768 |
5,747 | Cutting veneers into figures | 83/124, 83/452, 83/684, 83/698.71 |
5,762 | Shingle-machine | 144/162.1 |
5,812 | Improvement in Cutting Screws on Rails of Bedsteads | 408/41 |
5,840 | Improvement in presses | 100/292 |
5,856 | Improvement in presses | 100/292 |
RE132 | Improvement in barrel machinery | 147/1, 147/24 |
6,902 | Improvement in machinery for dressing flour | 209/273, 241/188.2, 241/56 |
7,234 | Sawmill | 83/427 |
7,389 | Apparatus for setting logs in sawmills | 74/157 |
7,475 | Improvement in the cutters and rakers of a grain and grass harvester | 56/166, 56/299 |
8,416 | Machine for Cutting Screws on Rails of Bedsteads | 82/110 |
8,550 | Shingle-machine | 144/134.1, 144/44 |
8,569 | Machine for boring holes in posts | 122/182.2, 408/64 |