Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D422486 | Ceiling grid wall clip | Michael J. Wolfe, Don M. Washecheck | 2000-04-11 |
| D421897 | Ceiling panel hold down clip | Don M. Washecheck, Michael J. Wolfe | 2000-03-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D422486 | Ceiling grid wall clip | Michael J. Wolfe, Don M. Washecheck | 2000-04-11 |
| D421897 | Ceiling panel hold down clip | Don M. Washecheck, Michael J. Wolfe | 2000-03-28 |