Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D422225 | Rafter square with level | Christopher Neisen | 2000-04-04 |
| D416501 | Combination rafter square and level | Christopher Neisen | 1999-11-16 |
| D316015 | Knife | — | 1991-04-09 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D422225 | Rafter square with level | Christopher Neisen | 2000-04-04 |
| D416501 | Combination rafter square and level | Christopher Neisen | 1999-11-16 |
| D316015 | Knife | — | 1991-04-09 |