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| Patents for Charles H. Petskeyes | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,865,950 | Jul. 05, 1932 | C.H. Petskeyes | Coupling for sander drum shafts | sanding machines | |
| 1,910,096 | May 23, 1933 | R.W. Egan, C.H. Petskeyes | Endless chain conveyer | ||