Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5588617 | Motor operated restrictor valve | Steven Marshall, Michael I. Ruby | 1996-12-31 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5588617 | Motor operated restrictor valve | Steven Marshall, Michael I. Ruby | 1996-12-31 |