Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678862 | Indicating device | Edward John Langford Hughes | 1997-10-21 |
| D370494 | Indicating device | Edward John Langford Hughes | 1996-06-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5678862 | Indicating device | Edward John Langford Hughes | 1997-10-21 |
| D370494 | Indicating device | Edward John Langford Hughes | 1996-06-04 |