Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908915 | Metal clip for attaching metal stud system to a ceiling grid system | Donald L. Ruggles | 1990-03-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4908915 | Metal clip for attaching metal stud system to a ceiling grid system | Donald L. Ruggles | 1990-03-20 |