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| All Patents in class 254/13 | |||||
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| Number | Date | Patentee | Title | Type | |
| 40,727 | Nov. 24, 1863 | D.K. Peoples | Improved Floor Clamp | floor clamps | |
| 54,805 | May 15, 1866 | S.C. Winslow, S. Winslow | Improvement in floor-clamps | floor clamps | |
| 66,332 | Jul. 02, 1867 | J.D. Hathaway | Screw Clamp for Planking Vessels | ||
| 71,387 | Nov. 26, 1867 | J.J. Hill | Improvement in Clamps for Planking Ships' Sides or Floors | ||
| 401,868 | Apr. 23, 1889 | H.F. Townsend, C.T. Winslow | Flooring-jack | work holding | |
| 900,246 | Oct. 06, 1908 | F. Williams | Floor Cramp | floor clamps | |