| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Leonard L. Davis Co. | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| D3,195 | Sep. 22, 1868 | L.L. Davis | Design for a Spirit Level | metallic levels | |
| 121,088 | Nov. 21, 1871 | L.L. Davis | Improvement in Spirit Levels | wooden levels | |