Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11112221 | Oil well perforators | Philip Duncan Church, Robert Peter Claridge, Peter John Gould | 2021-09-07 |
| 11002118 | Shaped charge and method of modifying a shaped charge | Michael John Hinton, Philip Duncan Church, Peter John Gould | 2021-05-11 |