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US 2,241,078 A
Filed
: 11/01/1937
Issued
: 05/06/1941
Est. Priority Date
: 11/01/1937
Status: Expired due to Term
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Current Assignee
Frederick K. Vreeland
Original Assignee
Frederick K. Vreeland
Inventors
Vreeland, Frederick K.
Application Number
US02/172,159
Time in Patent Office
1,282 Days
Field of Search
US Class Current
370/343
CPC Class Codes
H04L 5/06
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