| Patents Granted on 1833-03-30 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 7,501X | Mar. 30, 1833 | S. Couillard, Jr. | Clearing wool of burs | textile machines |
| 7,502X | Mar. 30, 1833 | S. Sawyer | Guiding endless belts, bands, or aprons | |
| 7,503X | Mar. 30, 1833 | S. Sawyer | Ginning and cleaning cotton | cotton gins |
| 7,504X | Mar. 30, 1833 | S. Sawyer | Ginning and cleaning cotton by a combination of rolls | cotton gins |
| 7,505X | Mar. 30, 1833 | S. Sawyer | Rolls combining with a connecting belt, whereby fleece or skin wool may be strained over a surface that burs, etc. may be knocked off | spinner |
