Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839449 | Key identification system | John Clayton Campbell, Michael Mueller | 2005-01-04 |
| 6839451 | Key identification system | John Clayton Campbell, Michael Mueller | 2005-01-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839449 | Key identification system | John Clayton Campbell, Michael Mueller | 2005-01-04 |
| 6839451 | Key identification system | John Clayton Campbell, Michael Mueller | 2005-01-04 |