Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4809244 | Support member for pressure sensor | Richard J. Penneck, Edward Atkinson | 1989-02-28 |
| 4794295 | Acoustic transducer | Richard J. Penneck, Peter N. Barnett, Michael Christopher Booth, Edward Atkinson | 1988-12-27 |
| 4723087 | Piezoelectric impact sensor | David L. Armitage | 1988-02-02 |