Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D417290 | Extended welded metal section for an I-beam structure | Russell Lambert Watkins | 1999-11-30 |
| 5501053 | Interengageable structural members | — | 1996-03-26 |
| 5417838 | Formation of contoured building panels by direct electrodeposition from leachates of copper ores | — | 1995-05-23 |
| 5403986 | Structural member and method of making by cold rolling followed by induction or resistance welding | — | 1995-04-04 |
| 5373679 | Structural member and process for forming same | — | 1994-12-20 |
| 5163225 | Process for forming a structural member utilizing high frequency electrical induction or resistance welding | — | 1992-11-17 |