Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432977 | Door Closers | Alister Peter Reid, John Kopec, Christopher Sumner | 1995-07-18 |
| 5176103 | Animal feeder | Alister Peter Reid, John Kopec, Christopher Sumner, Colin S. Mill | 1993-01-05 |
| 5170530 | Door closer | John Kopec | 1992-12-15 |