Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7117608 | Spirit level | Emanuel Szumer | 2006-10-10 |
| 6748666 | Spirit level | Emanuel Szumer | 2004-06-15 |
| 6449859 | Spirit level | Emanuel Szumer | 2002-09-17 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7117608 | Spirit level | Emanuel Szumer | 2006-10-10 |
| 6748666 | Spirit level | Emanuel Szumer | 2004-06-15 |
| 6449859 | Spirit level | Emanuel Szumer | 2002-09-17 |