Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5412933 | Automatic link forming apparatus | Robert Mulligan | 1995-05-09 |
| 4468553 | Automatic chain welding apparatus | Carl H. Brastow | 1984-08-28 |
| 4388513 | High voltage welding | Carl H. Brastow, Douglas J. Livingston | 1983-06-14 |