Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6446511 | Method and system for testing a joint which joins a first member with a second member | Robert T. Thornton, James F. Hengel, David P. Kelly | 2002-09-10 |
| 6429397 | Programmable pogo welding apparatus and method | Peter Sun, Charles W. Wampler, II, Douglas Martin Linn | 2002-08-06 |
| 6373021 | Method for electrical resistance welding a metal tube to a metal sheet | Ningjian Huang | 2002-04-16 |