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Vol. 86 July 18, 2026 No. 19

Obed Coleman

inventor

Biography

Obed Coleman was the inventor behind the organ-piano design that T. Gilbert & Company produced to considerable public notice in 1847. He held an American patent for the invention dated April 17, 1844, along with a British patent taken out that October 10. Having made no practical use of the patent himself, Coleman sold it to Gilbert & Company for a small sum in 1846. The resulting organ-pianos proved impractical in that the piano section required tuning every month to remain in tolerable condition.

Highlights

  • Held an 1844 patent (with a corresponding British patent) for the organ-piano design later produced by T. Gilbert & Company in 1847.
  • Sold his patent to Gilbert & Company for a small sum in 1846, having never put it to practical use himself.

Source

Daniel Spillane, History of the American Pianoforte (1890), p. 92.

Public domain.

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