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| All Patents in class 226/127 | |||||
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| Number | Date | Patentee | Title | Type | |
| 166,166 | Jul. 27, 1875 | J.F. Webster | Metal Screw Machines | screw machines | |
| 714,895 | Dec. 02, 1902 | B.M. Hanson | Clutch Operating and Feeding Device | metal lathe chucks | |
| 3,680,754 | Aug. 01, 1972 | F.L. Blaakman, R.N. McFadden | Filmstrip Advancing Mechanism | audio-visual apparatus | |