| Patents for William H. Johnson |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 80,744 | Aug. 04, 1868 | W.H. Johnson | Tool Handle Socket | tool handles |
| 95,908 | Oct. 19, 1869 | W.H. Johnson | Improvement in Wash-Pave Key-Handle | wrench handle components |
| 124,801 | Mar. 19, 1872 | C.M. Farrar | Improvement in Steam Engines | steam engines |
| 204,836 | Jun. 11, 1878 | W.H. Johnson, D. Miller | Improvement in drag-sawing machines | drag saws |
| 236,335 | Jan. 04, 1881 | W.H. Johnson | Saw-clamp | saw vises |
| 268,393 | Dec. 05, 1882 | F.W. Evans | Spindle for turning-lathes | wood lathes |
| 326,746 | Sep. 22, 1885 | W.H. Johnson | Combined Gang Punch and Bending Machine | metal punching machines |
| 387,481 | Aug. 07, 1888 | G. Almorth | Protractor | protractors |
| 396,361 | Jan. 15, 1889 | W.H. Johnson | Rolling Die Machine | sheet metal forming rolls |
| 430,029 | Jun. 10, 1890 | W.H. Johnson | Forging Machine | forging machines |
| 464,024 | Dec. 01, 1891 | W.H. Johnson | Combined Punching and Swaging Machine | metal punching machines |
| 865,709 | Sep. 10, 1907 | W.H. Johnson | Device for Measuring Heights of Persons | measuring apparatus |
