Frederick Henry Hayn, March 22, 1935, in California, where for several years he had been a patent attorney, practicing in Los Angeles. For many years previously he had been in the United States Patent Office in Washington, D.C.
Cornell Alumni News.
January 9, 1936, Volume 38, Number 13.
Cornell Alumni News.
January 9, 1936, Volume 38, Number 13.
Frederick Henry Hayn, March 22, 1935, in California, where for several years he had been a patent attorney, practicing in Los Angeles. For many years previously he had been in the United States Patent Office in Washington, D.C.
Cornell Alumni News.
January 9, 1936, Volume 38, Number 13.
Cornell Alumni News.
January 9, 1936, Volume 38, Number 13.
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