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| All Patents in class 198/577 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 499,460 | Jun. 13, 1893 | F.X. Hooper | Drying apparatus | ||
 | 2,321,644 | Jun. 15, 1943 | E.J. Billstrom, A.W. Redin | Glue clamp carrier | |
| 3,485,339 | Dec. 23, 1969 | R.M. Henderson, L.E. Miller | Article Spacing System | ||