OPINION
McLEAN, District Judge.
This is a patent suit which was begun on March 5, 1965. The complaint, which has been several times amended, in its present form contains three counts. In the first, plaintiff SCM Corporation (SCM) seeks a judgment declaring that each of three United States patents owned by defendant Radio Corporation of America (RCA), Patents Nos. 3,052,539 (539), 3,052,540 (540), and 2,922,883 (883) is invalid on various grounds and that...
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