Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477712 | Arc-welding seam-tracking applications employing passive infrared sensors | Robert D. Lillquist | 1984-10-16 |
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4477712 | Arc-welding seam-tracking applications employing passive infrared sensors | Robert D. Lillquist | 1984-10-16 |