| Patents for David Flagg Jr. |
Patents 1 -
11
of 11
      |
| Number | Date | Patentee | Title | Type |
| 3,983X | Dec. 17, 1824 | D. Flagg, Jr. | Bricks made by pressure | brick maker |
| 4,342X | Feb. 23, 1826 | D. Flagg, Jr. | Family mill | miller |
| 5,044X | Mar. 19, 1828 | D. Flagg, Jr. | Mode of moulding and pressing bricks | brick maker |
| 5,784X | Jan. 19, 1830 | D. Flagg, Jr. | Sawing boards | handsaws |
| 6,017X | Jun. 04, 1830 | D. Flagg, Jr. | Thrashing machine | threshers and thrashers |
| 6,071X | Jul. 10, 1830 | D. Flagg, Jr. | Thrashing machine | threshers and thrashers |
| 6,265X | Nov. 29, 1830 | D. Flagg, Jr. | Rotary rice thrasher | threshers and thrashers |
| 6,297X | Dec. 20, 1830 | D. Flagg, Jr. | Revolving grates for grating apples and other vegetables | apple graters |
| 7,342X | Dec. 28, 1832 | D. Flagg, Jr. | Portable horse power | |
| 7,343X | Dec. 28, 1832 | D. Flagg, Jr. | Shingle, stave, headings, etc. | |
| 7,344X | Dec. 28, 1832 | D. Flagg, Jr., A. Parker | Brick, stock, tile, etc. | brick maker |
