What was the practical outcome of the US Supreme Court ruling in 1943 regarding Marconi’s patents?

Answer

It was largely administrative, aimed at avoiding payment of royalties during wartime.

The US Supreme Court ruling in 1943 invalidated some of Marconi's key patents in favor of Tesla's earlier filings, but this action was described as largely administrative, intended to avoid royalty payments during wartime.

What was the practical outcome of the US Supreme Court ruling in 1943 regarding Marconi’s patents?
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