Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5954572 | Constant current apparatus | Peter J. Kettlewell, Paul William Griffiths, Ian Weeks | 1999-09-21 |
| 5487698 | Stunning apparatus | Peter J. Kettlewell, Mark Paice, William C. Whetlor | 1996-01-30 |
| 5433658 | Test apparatus | Peter J. Kettlewell, Mark Paice, William C. Whetlor | 1995-07-18 |