Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658421 | Punch and reinforcement device | — | 1997-08-19 |
| 5626377 | Apparatus for cleaning drain troughs | Timothy Carroll, William C. Carroll, Sr. | 1997-05-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5658421 | Punch and reinforcement device | — | 1997-08-19 |
| 5626377 | Apparatus for cleaning drain troughs | Timothy Carroll, William C. Carroll, Sr. | 1997-05-06 |