Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9662592 | Magnetic blocks and method of making magnetic blocks | Christopher Harwood Haughey, William Harcourt Haughey | 2017-05-30 |
| 9266032 | Magnetic blocks and method of making magnetic blocks | Christopher Harwood Haughey, William Harcourt Haughey | 2016-02-23 |
| 8850683 | Magnetic blocks and method of making magnetic blocks | Christopher Harwood Haughey, William Harcourt Haughey | 2014-10-07 |
| 4881858 | Tool offset indicator | Karl G. Volk | 1989-11-21 |