Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D525163 | Cross pendant | — | 2006-07-18 |
| 6659155 | Bidirectional swinging screen door and frame assembly | Michael A. Mlenek, Patrick L. Mlenek, Denis R. Niemeyer | 2003-12-09 |
| 4530421 | Oil drainage and collection system | — | 1985-07-23 |
| 4512547 | Locking drain valve | — | 1985-04-23 |
| 4298182 | Locking fluid valve | — | 1981-11-03 |
| 4231544 | Locking crankcase drain valve assembly | — | 1980-11-04 |