Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7311846 | Apparatus and method for separating ferrous and non-ferrous metal particles suspended in a liquid | Mark Stewart Schroder | 2007-12-25 |
| 6911142 | Overhead return piping system | Brian Pahl | 2005-06-28 |
| 4312120 | Glow plug manufacture | — | 1982-01-26 |