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Patent
US4669973A Combustion chamber for heating devices
Patents citing this work · Herbert Langen · Erich Kenner · United States · 1987
43 A336 X 2,200,861 5/1940 Peoples ............................... 431/336 11 Claims, 4 Drawing Figures Page 2 Drawing sheet — no readable text. Page 3 Drawing sheet — no readable text.
Patent
US4650415A Combustion chamber for heating devices
Patents citing this work · Herbert Langen · Erich Kenner · United States · 1987
9/1944 Kahn ................................... 431/336 2 Claims, 4 Drawing Figures samara NCAAP comes Tya Page 2 Drawing sheet — no readable text. Page 3 Drawing sheet — no readable text.