Barnhill; Donald R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barnhill; Donald R..The latest application filed is for "combined rotating cafeteria type food service counter and display shelf".
- Barnhill; Donald R. - Hamilton OH
| Patent | Date |
|---|---|
| Combined rotating cafeteria type food service counter and display shelf Grant D264,907 - Barnhill June 15, 1 | 1982-06-15 |
| Combined rotating cafeteria type food service counter and cap Grant D263,263 - Barnhill March 9, 1 | 1982-03-09 |
| Pressure cooker Grant 4,273,991 - Barnhill June 16, 1 | 1981-06-16 |
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