| Patents for J. R. Hoffman & Co. |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
 | 92,191 | Jul. 06, 1869 | J.R. Hoffman | Improvement in saw-mills |
 | 110,236 | Dec. 20, 1870 | J.R. Hoffman | Improvement in saw-mills |
 | 176,531 | Apr. 25, 1876 | A.E. Hoffman | Improvement in machines for edging lumber |
 | 192,917 | Jul. 10, 1877 | J.R. Hoffman | Improvement in band-saw mills |
 | 370,944 | Oct. 04, 1887 | A.E. Hoffman | Feed mechanism for saw-mill carriages |
 | 379,163 | Mar. 06, 1888 | A.E. Hoffman | Feed mechanism for saw-mill carriages |
 | 480,428 | Aug. 09, 1892 | A.E. Hoffman | Veneer-saw |
