Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044234 | Hand-held electrical combination hammer drill | Erwin Manschitz, Helmut Burger, Josef Anzinger, Manfred Ege | 2006-05-16 |
| 6957706 | Attachment member | Helmut Burger, Thomas Naumann | 2005-10-25 |
| 6550545 | Hand-held electrical combination hammer drill | Erwin Manschitz, Helmut Burger, Josef Anzinger, Manfred Ege | 2003-04-22 |