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| All Patents in class 254/285 | |||||
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| Number | Date | Patentee | Title | Type | |
| 367,783 | Aug. 09, 1887 | J.S. Brown | Well Drilling and Piping Machine | well drilling machines | |
| 1,806,433 | May 19, 1931 | G.E. Weaver, A.J. Vettel | Wreck crane | vehicle mechanic | |
| 3,469,814 | Sep. 30, 1969 | R.W. Peterson, A.W. Carlson | Mirror suspension | ||
| 4,476,801 | Oct. 16, 1984 | D. Foster, C. Rich | Mooring device | ||
| 4,722,293 | Feb. 02, 1988 | D. Foster, R. Ballantyne | Integrated winch and windlass | ||