Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628581 | Sheet metal construction system | Michael D. Hintz, Craig S. Ludwig | 1997-05-13 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628581 | Sheet metal construction system | Michael D. Hintz, Craig S. Ludwig | 1997-05-13 |