| All Patents in class 425/444 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
| | 6,027X | Jun. 10, 1830 | J. Willard | Brick press bridle |
| | 8,652X | Feb. 20, 1835 | P. Sweet | Brick striker |
| | 9,291X | Dec. 15, 1835 | U. Ward | Machine for pressing and delivering brick |
 | 5,605 | May 30, 1848 | R. Wilson | Brick Machine |
 | 63,057 | Mar. 19, 1867 | P.H. Kells | Improved brick-machine |
| | 1,560,117 | Nov. 03, 1925 | F.E. Stevenson | Molding Press |
| | 2,306,316 | Dec. 22, 1942 | L.F. Marsh | Die structure for injection molding machines |
 | 3,184,810 | May 25, 1965 | J.H. Hoern | Die casting and pressure molding machines |
| | 3,222,717 | Dec. 14, 1965 | R.P. Hyland, S. Saslawsky | Blow molding system |
| | 3,599,279 | Aug. 17, 1971 | D.I. McDonald | Clamping Mechanism |
