| Patents for A. V. Briesen |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 125,221 | Apr. 02, 1872 | J.E. Roache | Improvement in Pipe Tongs | pipe tongs |
| 132,231 | Oct. 15, 1872 | A. Assman | Improvement in Grinding Apparatus | grinding machines |
| 133,994 | Dec. 17, 1872 | T.D. Lakin | Improvement in converting motion | spiral screwdrivers |
| 134,440 | Dec. 31, 1872 | J.E. Roache | Pipe-Tongs and Cutters | pipe tongs |
| 142,926 | Sep. 16, 1873 | W. Lyon | Improvement in Combined Punching and Shearing Machines | splitting and shearing machinery |
| 162,274 | Apr. 20, 1875 | M.D. Converse | Improvement in Nail Extractors | nail extractors |
| 258,225 | May 23, 1882 | H. Foerster | Calipers | calipers |
