Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449859 | Spirit level | Duane William Zugel | 2002-09-17 |
| 6418634 | Spirit level with hand grips | — | 2002-07-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6449859 | Spirit level | Duane William Zugel | 2002-09-17 |
| 6418634 | Spirit level with hand grips | — | 2002-07-16 |