| Patents for E. H. Johnson |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 159,134 | Jan. 26, 1875 | F.R. Woodward | Improved Pocket Combination-Tool | combination tools |
| D8,381 | Jun. 08, 1875 | H.L. Pratt | Design for Bracket Saw Frames | frame saws |
| 166,954 | Aug. 24, 1875 | F.R. Woodward | Improvement in rotary paper-cutters | combination cork extractors |
| 170,039 | Nov. 16, 1875 | J.E. Williams | Improvement in paper-box machines | cardboard box making machines |
| 174,105 | Feb. 29, 1876 | E.H. Benedict | Improvement in jig-saws | scrollsaws |
| 194,109 | Aug. 14, 1877 | H.L. Pratt | Improvement in Drill-Chucks | drill chucks |
| 200,757 | Feb. 26, 1878 | H.L. Pratt | Improvement in ratchet bit-braces | ratchet braces |
| 334,387 | Jan. 12, 1886 | H.L. Housholder | Improvements in Pipe-Tongs | pipe tongs |
