| | ||
| Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login | |
| Quick search: | ||
| Patents for Henry W. Leonard | |||||
      | |||||
| Number | Date | Patentee | Title | Type | |
| 82,692 | Oct. 06, 1868 | C. Carter | Improvement in mortising-machines | mortising machines | |
| 313,505 | Mar. 10, 1885 | H.W. Leonard | Automatic Belt Shifter | industrial machine pulleys and belt drive mechanisms | |