Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6952850 | No-flip mattress systems and methods | Robert L. Rensink | 2005-10-11 |
| 6862853 | System and method for facilitating the presentation of inventory items | — | 2005-03-08 |
| 6643876 | No-flip mattress and methods for their construction | Robert L. Rensink | 2003-11-11 |
| 5259079 | Double bed arrangement with combination mattress | Robert L. Rensink | 1993-11-09 |