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| Patents for James D. Cole | |||||
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| Picture | Number | Date | Patentee | Title | |
| 1,798,457 | Mar. 31, 1931 | J.D. Cole | Deodorizing unit | ||
| 1,837,530 | Dec. 22, 1931 | J.D. Cole | Exerciser mechanism | ||
| 1,837,531 | Dec. 22, 1931 | J.D. Cole | Exercising device | ||
| 1,837,532 | Dec. 22, 1931 | J.D. Cole | Exerciser mechanism | ||