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Two-way television over telephone lines
US 2,895,005 A
Filed
: 09/30/1954
Issued
: 07/14/1959
Est. Priority Date
: 09/30/1954
Status: Expired due to Term
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Current Assignee
Ralph L. Miller
,
Winston E. Kock
Original Assignee
Ralph L. Miller
,
Winston E. Kock
Inventors
Kock, Winston E.
,
Miller, Ralph L.
Application Number
US03/459,300
Time in Patent Office
1,748 Days
Field of Search
US Class Current
348/14.12
CPC Class Codes
H04N 7/011
using magnetic recording
H04N 7/122
involving expansion and sub...
H04N 7/141
between two video terminals...
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