|
| US4137356 | 25 Oct 1977 | 30 Jan 1979 | The Hoffmaster Company, Inc. | Non-skid place mat and the like |
| US4837066 | 29 May 1986 | 6 Jun 1989 | Gates Formed-Fibre Products, Inc. | Foldable rigidified textile panels |
| US6703110 | 28 Jan 2002 | 9 Mar 2004 | Rubbermaid Incorporated | Non-skid surface for containers |
