Nelson; Walter R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nelson; Walter R..The latest application filed is for "low noise, flow limiting, laminar stream spout".
- Nelson; Walter R. - Alta Loma CA
- Nelson; Walter R. - Yucca Valley CA
- Nelson; Walter R. - Gardena CA
| Patent | Date |
|---|---|
| Low noise, flow limiting, laminar stream spout Grant 4,730,786 - Nelson March 15, 1 | 1988-03-15 |
| Flow control device employing elastomeric element Grant 4,344,459 - Nelson August 17, 1 | 1982-08-17 |
| Tamper-resistant flow control attachment for shower arm Grant 4,133,350 - Nelson January 9, 1 | 1979-01-09 |
| Laminar stream spout attachment Grant 4,119,276 - Nelson October 10, 1 | 1978-10-10 |
| Flow control device Grant 3,995,664 - Nelson December 7, 1 | 1976-12-07 |
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