Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6423226 | Filter package | Scott D. Hopkins, Daniel W. Spencer | 2002-07-23 |
| 6338798 | Filter package | Scott D. Hopkins, Daniel W. Spencer | 2002-01-15 |
| 6174439 | Filter package | Scott D. Hopkins, Daniel W. Spencer | 2001-01-16 |
| 5928516 | Filter package | Scott D. Hopkins, Daniel W. Spencer | 1999-07-27 |