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