Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479176 | Gradient interface magnetic composites and methods therefor | Johna Leddy, Sudath Amarasinghe | 2002-11-12 |
| 6355166 | Magnetically enhanced composite materials and methods for making and using the same | Sudath Amarasinghe, Shelley D. Minteer, Drew Dunwoody, Catherine Spolar, Hachull Chung +1 more | 2002-03-12 |
| 6303242 | Gradient interface magnetic composites and methods therefor | Johna Leddy, Sudath Amarasinghe | 2001-10-16 |
| 6207313 | Magnetic composites and methods for improved electrolysis | Johna Leddy, Sudath Amarasinghe | 2001-03-27 |
| 6001248 | Gradient interface magnetic composites and systems therefor | Johna Leddy, Sudath Amarasinghe | 1999-12-14 |
| 5981095 | Magnetic composites and methods for improved electrolysis | Johna Leddy, Sudath Amarasinghe | 1999-11-09 |
| 5871625 | Magnetic composites for improved electrolysis | Johna Leddy, Sudath Amarasinghe | 1999-02-16 |