Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents Granted on 1837-04-29 | |||||
Number | Date | Patentee | Title | Type | |
182 | Apr. 29, 1837 | D. Leavitt | Improvement in many-chambered-cylinder fire-arms | firearms | |
184 | Apr. 29, 1837 | I.L. Beckwith | Improvement in Spokeshaves | spokeshaves | |
185 | Apr. 29, 1837 | L. Hedge | Double-Centered Joint for Rules | folding rule joints |