Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5957438 | Spring retainer assembly | Joe C. Workman, Richard L. McCune | 1999-09-28 |
| 5875664 | Programmable servo-motor quality controlled continuous multiple coil spring forming method and apparatus | Terence A. Scott | 1999-03-02 |
| 5515294 | Method and apparatus for testing coiled materials | Daniel W. Martin, Steven M. Montague, Henry Zapletal | 1996-05-07 |
| 5197354 | Angular drive intermittent motion mechanism | Randall L. Sparks | 1993-03-30 |
| 5105642 | Continuous coil spring forming method | — | 1992-04-21 |
| 4766625 | Box spring having rows of coil springs formed from a single length of wire | Chester R. Yates, Marvin D. Selzer | 1988-08-30 |
| 4766624 | Mattress assembly having rows of coil springs formed from a single continuous length of wire | Chester R. Yates, Marvin D. Selzer | 1988-08-30 |
| 4726106 | Method and apparatus for forming a row of spring coils from a continuous length of wire | — | 1988-02-23 |
| 4700558 | Wire coiling method and device | — | 1987-10-20 |
| 4651433 | Pressure sensitive leveling device | — | 1987-03-24 |