| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Henry Leschen | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 928,103 | Jul. 13, 1909 | B. Brazelle | Process of manufacturing gas | ||
| 1,424,492 | Aug. 01, 1922 | H. Leschen | Caliper Rule | folding rules | |