Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8356394 | Standing valve retrieval tool | Kent Heinle, Dale Roller | 2013-01-22 |
| 4360881 | Energy consumption control system and method | — | 1982-11-23 |
| 4335404 | Video signal mixer apparatus and method | — | 1982-06-15 |