| Patents for Leonard L. Davis |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
 | 68,961 | Sep. 17, 1867 | L.L. Davis | Improvement in Adjustable Spirit Levels |
 | 75,534 | Mar. 17, 1868 | L.L. Davis | Improvement in Adjustable Spirit Levels |
 | D3,195 | Sep. 22, 1868 | L.L. Davis | Design for a Spirit Level |
 | 167,311 | Aug. 31, 1875 | L.L. Davis | Improvement in Bench-Planes |
 | D10,014 | May 29, 1877 | L.L. Davis | Design for Spirit Levels |
 | D10,015 | May 29, 1877 | L.L. Davis | Design for Spirit Levels |
 | D10,016 | May 29, 1877 | L.L. Davis | Design for Spirit Levels |
 | D10,017 | May 29, 1877 | L.L. Davis | Design for Spirit Levels |
 | 288,624 | Nov. 20, 1883 | L.L. Davis | Spirit Level and Plumb |
 | 297,574 | Apr. 29, 1884 | L.L. Davis | Spirit Level |
