Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7832040 | Suspended flexible matrix support system | Eugen Constantinescu | 2010-11-16 |
| 7814594 | One-sided mattress | Michael S. DeFranks | 2010-10-19 |
| 7788746 | Mattress foundation with perimeter structure | Eugen Constantinescu | 2010-09-07 |
| 7418753 | One-sided mattress | Michael S. DeFranks | 2008-09-02 |
| 7168117 | Multi-stranded coil spring | Richard F. Gladney | 2007-01-30 |
| 6931685 | One-sided mattress | Michael S. DeFranks | 2005-08-23 |
| 6718726 | Method and apparatus for storing and transporting strings of pocketed coils | Michael Mauldin, Michael A. DiMarco | 2004-04-13 |
| 5749133 | Method and apparatus for forming strings of pocketed springs | Michael Mauldin | 1998-05-12 |
| 5746877 | Apparatus for mattress innerspring construction | Michael S. Notheis | 1998-05-05 |
| 5102490 | Apparatus for applying tire sheet components | Michael Becker, Ralph Damon Ring | 1992-04-07 |