Pray; Robert W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pray; Robert W..The latest application filed is for "dryer-cooling machine for producing corrugated doubleface corrugated board".
- Pray; Robert W. - Greenwich CT
- Pray; Robert W. - East Northport NY
| Patent | Date |
|---|---|
| Dryer-cooling machine for producing corrugated doubleface corrugated board Grant 4,169,007 - Pray September 25, 1 | 1979-09-25 |
| Drying apparatus Grant 4,146,974 - Pray April 3, 1 | 1979-04-03 |
| Ink curing and drying apparatus Grant 3,950,650 - Pray , et al. April 13, 1 | 1976-04-13 |
| Ink curing and drying apparatus Grant 3,894,343 - Pray , et al. July 15, 1 | 1975-07-15 |
| Ink Curing And Drying Apparatus Grant 3,829,982 - Pray , et al. August 20, 1 | 1974-08-20 |
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