privat-ear20a63-3382549Frank L Stuck filed this patent on May 8, 1947 and it was granted on September 5th 1950, thirteen months after Franks death. Obviously it underwent considerable design changes before reaching its final configuration. In its patent form it more closely resembles the Belmont Boulevard…

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Patent No 2521423 as it appears on another example of a Privat-ear.

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