Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10071594 | Chalk line device | Charles L. Thierfeld, Michael T. Matteo | 2018-09-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10071594 | Chalk line device | Charles L. Thierfeld, Michael T. Matteo | 2018-09-11 |