Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D637439 | Pillow | — | 2011-05-10 |
| D637440 | Travel pillow | — | 2011-05-10 |
| D418711 | Neck support pillow | — | 2000-01-11 |
| 4709132 | Saturation monitoring arrangement and method of control for a frequency-converter welding deivce | Hermann Tengler | 1987-11-24 |