| Patents for Hall Manufacturing Co. |
Patents 1 -
10
of 57
      |
| Picture | Number | Date | Patentee | Title |
 | 75,576 | Mar. 17, 1868 | M. Prentiss | Bench Vise |
 | 113,656 | Apr. 11, 1871 | W.P. Harwood | Improvement in Vises |
 | 211,993 | Feb. 04, 1879 | J.F. Hall | Improvement in Pipe Gripes for Vises |
 | 231,181 | Aug. 17, 1880 | M.G. Lewis | Pipe-grip |
 | CA-19,434 | May 28, 1884 | M.G. Lewis | Bench vice |
| | 1,692,439 | Nov. 20, 1928 | E.A. Hall | Grinding Tool |
| | GB-300,746 | Nov. 22, 1928 | H.M. Co. | Improvements in Cylinder Grinders |
| | 1,694,705 | Dec. 11, 1928 | E.A. Hall | Valve Hone |
| | 1,695,548 | Dec. 18, 1928 | E.A. Hall, G.E. Burns | Gas Burner |
| | CA-285,926 | Dec. 25, 1928 | G.J. Lindroth, E.A. Hall | Cylinder Hone |
