| Patents for Billings & Spencer Co. |
Patents 31 -
45
of 50
      |
| Number | Date | Patentee | Title | Type |
| 1,910,314 | May 23, 1933 | F.C. Billings | Drop Hammer | drop hammers |
| 1,929,021 | Oct. 03, 1933 | M.H. Flynn | Multiple Roll Set Board Drop Hammer | drop hammers |
| 1,933,512 | Oct. 31, 1933 | W.R. Moore | Pipe Wrench | chain and strap wrenches |
| 1,933,513 | Oct. 31, 1933 | W.S. Stuart | Chain Pipe Wrench | chain and strap wrenches |
| 1,933,514 | Oct. 31, 1933 | W.S. Stuart | Chain Pipe Wrench | chain and strap wrenches |
| 1,995,687 | Mar. 26, 1935 | C. Schaumburg | Clip for Wrench Set | wrench set holders |
| 2,030,147 | Feb. 11, 1936 | W.R. Moore | Wrench Clip | wrench set holders |
| 2,030,148 | Feb. 11, 1936 | J.H. Coyle | Wrench Clip | wrench set holders |
| 2,138,331 | Nov. 29, 1938 | F.P. Ward | Ratchet Wrench | ratchet wrenches |
| 2,138,332 | Nov. 29, 1938 | C.R. Geisel | Wrench | ratchet wrenches |
| 2,168,126 | Aug. 01, 1939 | H.J. Kane | Pipe Vise | pipe and chain vises |
| 2,235,434 | Mar. 18, 1941 | M.N. Kincaid | Wrench | ratchet wrenches |
| 2,293,786 | Aug. 25, 1942 | E.C. Worden | Wrench | torque wrenches |
| 2,293,787 | Aug. 25, 1942 | E.C. Worden | Torque Wrench | torque wrenches |
| 2,313,558 | Mar. 09, 1943 | R.L. Kuehn | Machine Tool | |
