Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796423 | Sheet metal panel | James S. Kelm, Arthur L. Ludwig, Harvey M. Maclin, Thomas G. Wakeman | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796423 | Sheet metal panel | James S. Kelm, Arthur L. Ludwig, Harvey M. Maclin, Thomas G. Wakeman | 1989-01-10 |