Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174650 | Sliding ruler square | — | 2007-02-13 |
| 5876126 | Bearing guided labyrinth | Richard HARRISON | 1999-03-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174650 | Sliding ruler square | — | 2007-02-13 |
| 5876126 | Bearing guided labyrinth | Richard HARRISON | 1999-03-02 |