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| Patents for B31D 3 - Making articles of cellular structure, e.g. insulating board (1,410) |
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| 07/05/1977 | US4033251 Structural cellular materials | | 05/31/1977 | US4027058 Folded structural panel | | 12/21/1976 | US3998136 High speed partition assembling method and apparatus | | 12/07/1976 | US3996087 With large dimensions in the expansion direction compared to compression direction | | 09/07/1976 | US3979252 Apparatus for manufacturing cellular structures | | 06/22/1976 | US3964527 Method and apparatus for filling spacing core | | 05/25/1976 | US3959056 Lightweight reflective panels for solar-thermal power plants and methods of forming such panels | | 04/13/1976 | US3950215 Honeycomb materials | | 04/13/1976 | US3949651 Method of making filter media | | 04/06/1976 | US3948431 Manufacturing method of metallic honeycomb structures |
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