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De Forest Patent Holding Company 1923 Certificate for Twenty Two [22] Shares of Capital Stock
Wilmington: DeForest Patent Holding Company, 1923. Softcover. 10 3/4" x 8." Dated March 26, 1923. Signed by the company president and the company secretary. In November of 1922, Lee De Forest organized the De Forest Patent Holding Company to assign all of his sound recording and reproducing patents, as well.....