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| US4045931 | 3 Nov 1975 | 6 Sep 1977 | | Insulating flexible composite element |
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| US4972648 | 11 Jul 1988 | 27 Nov 1990 | U. Scharer Sohne AG (USM) | Furniture panel and element for attaching inserts thereto |
| US5018327 | 31 May 1988 | 28 May 1991 | Aelos Holding AG | Prefabricated plate elements for the construction of insulating chambers |
| US5025603 | 4 Abr 1990 | 25 Jun 1991 | Herman Miller, Inc. | Modular space dividing panels having wire management channels |
