Issued Patents All Time
Showing 1–25 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7028434 | Spillage control safety floor matting | Ronald N. Kessler, Kim Kendall | 2006-04-18 |
| 6663937 | Universal mat with removable strips | M. Burman, Ronald N. Kessler | 2003-12-16 |
| 6578324 | Spillage control safety floor matting | Ronald N. Kessler, Kim Kendall | 2003-06-17 |
| 6531203 | Floor mat system for supporting heavy loads | Ronald N. Kessler | 2003-03-11 |
| 6444284 | Floor mat system for supporting heavy loads | Ronald N. Kessler | 2002-09-03 |
| 6440525 | Floor mat system with adjustable clip | Ronald N. Kessler | 2002-08-27 |
| 6405495 | Spillage control safety floor matting | Ronald N. Kessler | 2002-06-18 |
| 6352757 | Floor mat system for supporting heavy loads | Ronald N. Kessler | 2002-03-05 |
| 6319584 | Floor mat system with adjustable clip | Ronald N. Kessler | 2001-11-20 |
| 6158703 | Kick plate and connector for shelving | Ronald N. Kessler | 2000-12-12 |
| D429694 | Housing and bracket portions of an electrical receptacle | Marc A. Schlessinger, Ronald Rich, Mark E. Rosenkranz | 2000-08-22 |
| 6068908 | Floor mat system | Ronald N. Kessler | 2000-05-30 |
| 6012185 | Blocks for elevating bed legs | Larry A. Woods | 2000-01-11 |
| 5992105 | Spillage control safety floor matting | Ronald N. Kessler | 1999-11-30 |
| 5967815 | Variable orientation switching type electrical receptacle | Marc A. Schlessinger | 1999-10-19 |
| 5882764 | Floor mat system | Ronald N. Kessler | 1999-03-16 |
| 5188582 | Apparatus for forming tear tab lining material | — | 1993-02-23 |
| 5176596 | Easy storing three position step stool | — | 1993-01-05 |
| 5105965 | Single finger-opening resilient cap | — | 1992-04-21 |
| RE33886 | Method of forming a tamper evident sealing liner | Milton Kessler | 1992-04-14 |
| 5033244 | Corner assembly for flush fitting protective strip assembly | — | 1991-07-23 |
| 4982958 | Exercise board | — | 1991-01-08 |
| 4919281 | Fabric bolt hanger | — | 1990-04-24 |
| 4822326 | Method of forming a tamper evident sealing liner | Milton Kessler | 1989-04-18 |
| 4796399 | Combination walk-off and fatigue mat | Ronald N. Kessler, Milton Kessler | 1989-01-10 |