| Patents for William D. Bell |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 488,544 | Dec. 27, 1892 | E. De Camp | Folding Square | carpenter squares |
| 521,234 | Jun. 12, 1894 | J.H. Fredericks | Combined carpenter's bench pin, guide, and knife | work holding |
| 658,011 | Sep. 18, 1900 | J.H. Hopper | Combined Compasses & Calipers | compasses |
| 913,078 | Feb. 23, 1909 | J. Weber | Sawing device | tablesaws |
| 1,139,591 | May 18, 1915 | G. Sipp | Means for guiding a reciprocating non-rotating machine element | drill presses |
| 1,167,440 | Jan. 11, 1916 | G. Sipp | Variable-speed gearing | drill presses |
