Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4575258 | Steam trap failure detector | — | 1986-03-11 |
| 4352386 | Automatic cord lock device | John T. Butler, L. George Valle | 1982-10-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4575258 | Steam trap failure detector | — | 1986-03-11 |
| 4352386 | Automatic cord lock device | John T. Butler, L. George Valle | 1982-10-05 |