Schroepfer; David J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schroepfer; David J..The latest application filed is for "strap actuated flapper valve".
- Schroepfer; David J. - Trinidad CO
- Schroepfer; David J. - Laguna Hills CA
| Patent | Date |
|---|---|
| Strap actuated flapper valve App 20070215833 - Reinicke; Robert H. ; et al. | 2007-09-20 |
| Vent And Relief Valve App 20060225794 - REINICKE; Robert H. ; et al. | 2006-10-12 |
| Method of manufacturing solid ring wheel rims App 20060090341 - Schroepfer; David J. | 2006-05-04 |
| Wheel rim production method App 20040025977 - Schroepfer, David J. | 2004-02-12 |
| Spoked wheel apparatus Grant 6,666,525 - Schroepfer December 23, 2 | 2003-12-23 |
| Spoked Wheel Apparatus App 20030230928 - Schroepfer, David J. | 2003-12-18 |
| Airplane toilet drain valve assembly Grant 5,111,839 - Schroepfer , et al. May 12, 1 | 1992-05-12 |
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