Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6338530 | Lumbar support device | — | 2002-01-15 |
| 6053064 | Lumbar support screw actuator | Donald David Mundell | 2000-04-25 |
| 5911477 | Lumbar support structure for automotive vehicle | Donald David Mundell, Harold Long | 1999-06-15 |
| 4464218 | Method for reinforcing net materials | Harmon W. Arnold, Galen B. Erwin, David Mundell | 1984-08-07 |
| 4337931 | Spring base for upholstered seating | Donald David Mundell | 1982-07-06 |
| 4223705 | Wire knotting machine | George E. Bell | 1980-09-23 |