Duwell; Lawrence E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duwell; Lawrence E..The latest application filed is for "universal canister flush valve".
- Duwell; Lawrence E. - Belgium WI
- Duwell; Lawrence E. - Adell WI
- Duwell; Lawrence E. - Plymouth WI
| Patent | Date |
|---|---|
| Plumbing fixture with drain-casted jet orifice Grant 11,421,413 - Smith , et al. August 23, 2 | 2022-08-23 |
| Retractable cord management system Grant 11,401,132 - Smith , et al. August 2, 2 | 2022-08-02 |
| Universal Canister Flush Valve App 20220178123 - Smith; Andrew L. ; et al. | 2022-06-09 |
| Universal canister flush valve Grant 11,286,655 - Smith , et al. March 29, 2 | 2022-03-29 |
| Toilet With Non-vitreous Flush Engine App 20220049485 - Ahola; Billy Jack ; et al. | 2022-02-17 |
| Toilet with non-vitreous flush engine Grant 11,180,910 - Ahola , et al. November 23, 2 | 2021-11-23 |
| Plumbing Fixture With Drain-casted Jet Orifice App 20210262215 - Smith; Andrew L. ; et al. | 2021-08-26 |
| Plumbing fixture with drain-casted jet orifice Grant 11,028,567 - Smith , et al. June 8, 2 | 2021-06-08 |
| Plumbing Fixture With Drain-casted Jet Orifice App 20200332509 - SMITH; ANDREW L. ; et al. | 2020-10-22 |
| Universal Canister Flush Valve App 20200263405 - Smith; Andrew L. ; et al. | 2020-08-20 |
| Toilet coupling Grant 10,738,448 - Swart , et al. A | 2020-08-11 |
| Retractable Cord Management System App 20200130982 - Smith; Andrew L. ; et al. | 2020-04-30 |
| Toilet With Non-vitreous Flush Engine App 20200048886 - Ahola; Billy Jack ; et al. | 2020-02-13 |
| Toilet seat package Grant 10,414,540 - Meicher , et al. Sept | 2019-09-17 |
| Toilet Coupling App 20190169825 - Swart; Peter William ; et al. | 2019-06-06 |
| Toilet Seat Package App 20180290788 - Meicher; Jacob Barry ; et al. | 2018-10-11 |
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