Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5289330 | Helical read/write head having a cross-cut groove | — | 1994-02-22 |
| 4604669 | Magnetostrictive record head | Dale O. Ballinger, William R. Chynoweth | 1986-08-05 |
| 4267276 | Medical specimen culture bottle | Andrew Crawford | 1981-05-12 |
| 4250266 | Automated micro-organism culture growth and detection instrument | — | 1981-02-10 |