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US 2,708,719 A
Filed
: 02/17/1949
Issued
: 05/17/1955
Est. Priority Date
: 02/17/1949
Status: Expired due to Term
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Current Assignee
Frank T. Roach
Original Assignee
Frank T. Roach
Inventors
Roach, Frank T.
Application Number
US03/077,028
Time in Patent Office
2,280 Days
Field of Search
US Class Current
331/101
CPC Class Codes
B23K 9/0738
Stabilising of the arc by a...
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