Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11065711 | High aspect ratio weld face design for dissimilar metal welding | David R. Sigler | 2021-07-20 |
| 10981244 | Resistance welding electrode | Hui Wang, David R. Sigler, Blair E. Carlson, Michael J. Karagoulis | 2021-04-20 |