Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4475724 | Wire spring assembly for sofa sleeper mattresses | — | 1984-10-09 |
| 4452438 | Box spring assembly with improved corner springs | Wilbur Carl Bewley, JR. | 1984-06-05 |
| 4285488 | Height adjusting mechanism for a swivel chair | — | 1981-08-25 |
| 4253208 | Box spring assembly with basic wire grid | John P. Kitchen, Ned W. Mizelle | 1981-03-03 |
| 4251892 | Box spring assembly with arcuate bendable springs | — | 1981-02-24 |
| 4186223 | Process for coating a wire spring and evaluating previous heat treat of said wire spring | — | 1980-01-29 |