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| Patents for John J. Heintzelman | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,831X | Feb. 16, 1830 | J.J. Heintzelman | Spiral spring truss | ||
| 6,628X | Jul. 20, 1831 | J.J. Heintzelman | Gum elastic pad truss | ||
| 8,863X | Jun. 06, 1835 | J.J. Heintzelman | Truss for the cure of hernia | ||