Pres First Patent

A Tribute to

Dr. J. Presper Eckert

Co-Inventor of ENIAC

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Pres' First Patent

This is the cover of the first patent Pres ever received. It was for a method of recording sound for motion pictures and involved the "modulation of an electric arc" by a fluid. Though never used in the film industry this idea influenced Pres' thoughts in the development of the Mercury delay line, an early form of computer memory.