Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43506 | Coil coupling | Richard Paul Northrop, James Mahon | 2012-07-17 |
| 7746059 | Current measurement apparatus | Albert Zwolinski | 2010-06-29 |
| D599233 | Coil coupling | Richard Paul Northrop, James Mahon | 2009-09-01 |