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| All Patents in class 91/469 | |||||
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| Number | Date | Patentee | Title | Type | |
| 25,588 | Sep. 27, 1859 | J. Sparrow | Riveting, Punching and Shearing Machine | riveting machines | |
| 966,059 | Aug. 02, 1910 | W.T. Sears | Hydraulic intensifier | hydraulic apparatus | |
| 2,306,541 | Dec. 29, 1942 | H.C. Clay | Floating Hydraulic Control | hydraulic machinery | |
| 3,003,472 | Oct. 10, 1961 | D.C. Miller, R.M. Ferris | Quill Actuating and Clamping Mechanism | milling machines | |
| 3,039,441 | Jun. 19, 1962 | A.F. Hurlburt, J.G. Padelt | Photographic Camera | cameras | |