Hoffelner; Volkwin
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hoffelner; Volkwin.The latest application filed is for "combined ice scraper and brush".
- Hoffelner; Volkwin - St. Andra-Wordern AT
- Hoffelner; Volkwin - Wordern AT
- Hoffelner; Volkwin - A-1110 Wien AT
| Patent | Date |
|---|---|
| Combined ice scraper and brush Grant D656,736 - Hoffelner April 3, 2 | 2012-04-03 |
| Combined ice scraper and brush Grant D652,218 - Hoffelner January 17, 2 | 2012-01-17 |
| Combined ice scraper and brush Grant D597,315 - Hoffelner August 4, 2 | 2009-08-04 |
| Mounting unit with adjustable lockable pivot arm Grant 4,858,868 - Hoffelner August 22, 1 | 1989-08-22 |
| Device for generating sound waves at relatively high frequencies Grant 4,437,428 - Hoffelner March 20, 1 | 1984-03-20 |
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