Hewelt; Helmut
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hewelt; Helmut.The latest application filed is for "sales packaging for electric storage batteries".
- Hewelt; Helmut - Ellwangen DE
| Patent | Date |
|---|---|
| Sales packaging for electric storage batteries Grant 6,953,117 - Schein , et al. October 11, 2 | 2005-10-11 |
| Sale and storage packaging for zinc-air cells Grant 6,889,840 - Schein , et al. May 10, 2 | 2005-05-10 |
| Sales packaging for electric storage batteries App 20030205500 - Schein, Herbert ; et al. | 2003-11-06 |
| Packaging for button cells App 20030183552 - Schein, Herbert ; et al. | 2003-10-02 |
| Sale and storage packaging for zinc-air cells App 20030111384 - Schein, Herbert ; et al. | 2003-06-19 |
| Package for zinc-air batteries Grant 5,203,455 - Hewelt , et al. April 20, 1 | 1993-04-20 |
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