Schroeder; David Lee
Patent Applications and Registrations
Patent applications and USPTO patent grants for Schroeder; David Lee.The latest application filed is for "handle for exothermic mold with spring connectors".
- Schroeder; David Lee - Broken Arrow OK
- Schroeder; David Lee - Pittsburgh PA
| Patent | Date |
|---|---|
| Handle For Exothermic Mold With Spring Connectors App 20220105584 - Ruland; Rodd R. ; et al. | 2022-04-07 |
| Handle for exothermic mold with spring connectors Grant 11,229,970 - Ruland , et al. January 25, 2 | 2022-01-25 |
| Handle For Exothermic Mold With Spring Connectors App 20190054557 - Ruland; Rodd R. ; et al. | 2019-02-21 |
| Method and apparatus for air pollution control combined with safe recovery and control of gases from a bottom-blown steel converter vessel Grant 3,908,969 - Baum , et al. September 30, 1 | 1975-09-30 |
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