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| All Patents in class 33/24.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 657 | Mar. 26, 1838 | S.G. Merriman, R. Dickinson | Friction Rollers | bearings and rollers | |
| 275,213 | Apr. 03, 1883 | L.P. Hoyt | Endless-chain bed for wood-working machines | woodworking machine stockfeeding mechanisms | |
| 738,149 | Sep. 08, 1903 | I.R. Beam | Engraving-machine | metal engraving machines | |