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| All Patents in class 198/463.3 | |||||
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| Number | Date | Patentee | Title | Type | |
| 499,460 | Jun. 13, 1893 | F.X. Hooper | Drying apparatus | ||
| 512,377 | Jan. 09, 1894 | F.X. Hooper | Apparatus for drying printed or varnished paper | ||
| 2,279,041 | Apr. 07, 1942 | H.A. Hadley | Conveyor Weighing Scale | scales and balances | |
| 2,581,598 | Jan. 08, 1952 | C.E. Parker | Sheet handling apparatus | ||