• 1887

Company Description

The Felt and Tarrant Manufacturing Company was founded to manufacture the Comptometer, invented by Dorr Eugene Felt and patented in 1887. This machine was the first truly practical and commercially successful adding machine, with the first serious manufacture and sales occuring in 1888.

  • Manufacturer:

  • Formed:

  • Founders:

    Dorr Eugene Felt and Robert Tarrant
  • Company Address:

    Chicago, IL
    United States
  • CEO:

    • Dorr Eugene Felt
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