Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D629676 | Multi-level display hook | Robert E. Langley | 2010-12-28 |
| 4761999 | Set pressure verification device and method | — | 1988-08-09 |
| 4572237 | Function assist control for pressure relief valve | — | 1986-02-25 |
| 4349885 | Set pressure measuring system | — | 1982-09-14 |