| All Patents in class 425/443 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 59,882 | Nov. 20, 1866 | T.J. Wells | Improved peat machine | |
| RE2,810 | Dec. 10, 1867 | P.H. Kells | Improved brick-machine | brick and tile making machines |
| 81,511 | Aug. 25, 1868 | P.H. Kells | Improved brick-machine | manufacturing bricks and tiles |
| 183,150 | Oct. 10, 1876 | S.B. Frank | Brick Machine | brick and tile making machines |
| 295,558 | Mar. 25, 1884 | P.H. Kells | Brick-machine | manufacturing bricks and tiles |
| 1,254,183 | Jan. 22, 1918 | J.F. Williams | Machine to Mold Emery Wheels | molding machines |
| 3,098,261 | Jul. 23, 1963 | J.J. Littley, R. Burns | Powdered metal compacting press | |
