Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4588910 | Reversing switch arrangement for an electric tool | — | 1986-05-13 |
| 4342931 | Brush-shifting and trigger-switch arrangements for a portable tool | Horst Grossmann | 1982-08-03 |