| Patents for Sumner Iron Works, Inc. |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 2,765,012 | Oct. 02, 1956 | D.J. Rattenbury, C.M. Riddell | Oscillatable bark-removing jet continuously directed toward axis of a passing log | debarking machines |
| 2,778,342 | Jan. 22, 1957 | H.W. Ringman | Poppet type valve distributing system for a servo-motor | |
| 2,861,606 | Nov. 25, 1958 | M.F. Fish | Remote control set works | sawmill set works |
| 2,944,741 | Jul. 12, 1960 | M.F. Fish | Hydraulic log barkers | debarking machines |
| 2,966,842 | Jan. 03, 1961 | J.B. Roche | Briquetting machines | |
| 2,984,173 | May 16, 1961 | W.C. Briggs, J.B. Roche | Extrusion die for briquetting machine | |
| 2,995,445 | Aug. 08, 1961 | F.W. Hoover, Jr., W.C. Briggs | Method of producing a forage product | |
