Patentnummer: 2192217Eingetragen: 15. Juli 1929Ausgestellt: 5. März 1940
STOCK QUOTATION SYSTEM . Original Filed July 15, 1929 16 Sheets-Sheet 1
STOCK LETTER KEYS
STOCK QUOTATION SYSTEM Original Filed July 15, 1929 16 Sheets-Sheet 2
Inventors John I. Bellamy Martin L. Afetson Herbert F Oberyfelt
fifty.