Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
Patents Granted on 1837-04-17 | |||||
Number | Date | Patentee | Title | Type | |
164 | Apr. 17, 1837 | J. Van Winkle | Machine for Cramping Leather for Boot-Legs | cobbler | |
166 | Apr. 17, 1837 | J. Barns | Standing Press | cotton presses | |
167 | Apr. 17, 1837 | U. Emmons | Improvement in the mode of constructing single-rail railroads | railroad machines |