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| All Patents in class 254/15 | |||||
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| Number | Date | Patentee | Title | Type | |
| 32,120 | Apr. 23, 1861 | J.L. Clough | Floor-Clamp | floor clamps | |
| 98,116 | Dec. 21, 1869 | J.B. Spencer | Improvement in floor-clamp | floor clamps | |
| 300,968 | Jun. 24, 1884 | M. Hatfield | Bolt Holder | ||
| 338,933 | Mar. 30, 1886 | H.C. Cloyd | Flooring-jack | floor clamps | |
| 364,260 | Jun. 07, 1887 | E. Kerns | Sliding Jack | floor clamps | |