McDuffee; Richard Lee
Patent Applications and Registrations
Patent applications and USPTO patent grants for McDuffee; Richard Lee.The latest application filed is for "absorbent pad structures for humidifiers".
- McDuffee; Richard Lee - Aurora IL
| Patent | Date |
|---|---|
| Absorbent Pad Structures For Humidifiers Grant 3,592,451 - McDuffee July 13, 1 | 1971-07-13 |
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