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