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| Patents for Richard P. Hyland | |||||
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| Picture | Number | Date | Patentee | Title | |
| 3,222,717 | Dec. 14, 1965 | R.P. Hyland, S. Saslawsky | Blow molding system | ||
| 3,222,720 | Dec. 14, 1965 | S. Saslawsky, R.P. Hyland | Heater indicating means for extrusion system | ||