Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082716 | Headliner | David M. Steinke, Michael G. Blankenship | 1992-01-21 |
| 5073429 | Door panel | David M. Steinke, Michael G. Blankenship, Philip D. Gardner, Sr. | 1991-12-17 |
| 5007976 | Method of making a headliner | David M. Steinke, Michael G. Blankenship | 1991-04-16 |
| 4996090 | Door panel | David M. Steinke, Michael G. Blankenship, Philip D. Gardner, Sr. | 1991-02-26 |