Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583338 | Door panel construction | James D. Sewell | 1986-04-22 |
| 4372717 | Cellular void filler | James D. Sewell | 1983-02-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583338 | Door panel construction | James D. Sewell | 1986-04-22 |
| 4372717 | Cellular void filler | James D. Sewell | 1983-02-08 |