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DATA RETRIEVAL AND QUOTE BOARD MULTIPLEX SYSTEM
US 3,513,442 A
Filed
: 04/28/1967
Issued
: 05/19/1970
Est. Priority Date
: 04/28/1967
Status: Expired due to Term
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Current Assignee
Frank W. Sieracki
Original Assignee
Frank W. Sieracki
Inventors
Sieracki, Frank W.
Application Number
US04/634,603
Time in Patent Office
1,117 Days
Field of Search
US Class Current
340/4.5
CPC Class Codes
G06F 13/22
using successive scanning, ...
G06Q 40/04
Trading; Exchange, e.g. sto...
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