| Patents for Otis A. Earl |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 614,092 | Nov. 15, 1898 | G.T. Eames | Drill-grinder | drill sharpening machines |
| 626,438 | Jun. 06, 1899 | S.F. Nicolai | Wire Splicing Tool | |
| 633,323 | Sep. 19, 1899 | W.K. Loughborough | Table or Desk Attachment for Chairs or Seats | chairs |
| 643,703 | Feb. 20, 1900 | H.P. White | Drill-grinding machines | drill sharpening machines |
| 684,890 | Oct. 22, 1901 | H.P. White | Drill-grinder | drill sharpening machines |
| 697,584 | Apr. 15, 1902 | H.P. White | Drill-grinding machine | drill grinders |
| 780,429 | Jan. 17, 1905 | J.E. Kimble | Engine Governor | traction engine governors |
| 865,553 | Sep. 10, 1907 | G.C. Winslow | Pipe Wrench | pipe wrenches |
| 1,201,162 | Oct. 10, 1916 | G.T. Eames | Mandrel-press | arbor presses |
