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| Patents for Thaddeus Randolph Bell | |||||
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| Number | Date | Patentee | Title | Type | |
| FR-457,282 | Sep. 15, 1913 | T.R. Bell | Process for making foundry patterns | ||
| GB-191,311,186 | Sep. 18, 1913 | T.R. Bell | Improved method of making patterns for foundry moulding | ||
| GB-120,822 | Nov. 28, 1918 | A.C. Bell, T.R. Bell | Improvements in alternating current motors | AC motors | |
| FR-492,595 | Jul. 11, 1919 | A.C. Bell, T.R. Bell | Improvements in alternating current motors | AC motors | |