US2012019 Патенты
INSULATING STRUCTURE AND MATERIAL ZazaaZZZZZZZZZZZZZZZZZZZZZZZZZZZazza 224224222222222222222222222%222222222222% recolor S22zzzzzzzzzz ZZZZZZ f(5 R 2S SNS SSN N NSULATING STRUCTURE AND MATERIA M. C. OWINGS INSULATING STRUCTURE AND MATERIAL Filed May 29, 1933 UNITED STATES PATENT OFFICE 2012,019 NSULATING STRUCTURE AND MATER AL Morris C. Owings, Webster Groves, Mo. Application May 29, 1933, Serial No. 673,426 8 Claims. (C. 20-4) My invention relates to the insulation of walls, roofs and ceilings, particularly to the insulation Of unfinished attics or buildings, that is to say, an attic where th
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