Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4573489 | Dump valve | Lewis M. Carlton, Teddy H. Cruse | 1986-03-04 |
| 4505288 | Pneumatically controlled dump valve system for gas scrubbers | Frank W. Murphy, Jr., Lewis M. Carlton, Teddy H. Cruse | 1985-03-19 |