KWBrand Patent

Patent No.:DE 519716 C

Application Date:1932, 01 28

Registration Date:1932, 02 11

Patent No.:DE 622094 C

Application Date:1935, 11 19

Patent No.:DE 623036 C

Application Date:1935, 12 11

Patent No.:P.A.373393-27.56

Application Date:1958, 11 08

Patent No.:P.A.346444106

Application Date:1959, 09 03