OPINION
KOELSCH, Circuit Judge:
The matter is here on the appeal of Donald W. Norwood, plaintiff below, from a judgment holding claims 1 through 4, 6, 7 and 9 of his U.S. Patent No. 3,304,435 (the "435" patent) invalid and not infringed by defendants' accused device.
The "435" patent was granted plaintiff...
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