Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373584 | Single trip tubing hanger assembly | Raphael J. Silberman, Frederick T. Tilton, Everett H. Smith | 1983-02-15 |
| 4248307 | Latch assembly and method | Raphael J. Silberman, Frederick T. Tilton, Everett H. Smith | 1981-02-03 |