Onken; Donald R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Onken; Donald R..The latest application filed is for "machinery cabinet".
- Onken; Donald R. - Easton IL
| Patent | Date |
|---|---|
| Machinery cabinet Grant D460,289 - Onken July 16, 2 | 2002-07-16 |
| Heated storage tank for grease recycling Grant 6,157,776 - Onken December 5, 2 | 2000-12-05 |
| Safety device for preventing a fire in a shredder machine Grant 5,887,806 - Onken March 30, 1 | 1999-03-30 |
| Angled heat tube for use in a fluid storage tank Grant 5,850,503 - Onken December 15, 1 | 1998-12-15 |
| Casing system for a tank Grant 5,813,556 - Onken September 29, 1 | 1998-09-29 |
| Container lid Grant D373,876 - Onken September 17, 1 | 1996-09-17 |
| Truck having equipment for on-site heating and collecting used grease from containers Grant 4,450,828 - Onken , et al. May 29, 1 | 1984-05-29 |
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