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  1. Joseph Richard Coulter, Jr., served as President, CEO and co-founder of Coulter Corporation until his death in 1995. Coulter Corporation was acquired in October 1997 by Beckman Instruments, forming Beckman Coulter.

  2. Wallace H. Coulter (1913-1998) enumerated the Coulter Principle for counting and sizing particles suspended in a fluid. He patented the Coulter Counter for blood cell analysis in 1953. Joseph R. Coulter, Jr. (1924-1995) co-founded Coulter Corporation with his brother, Wallace, in the 1950s.

  3. Joseph R. Coulter, Jr., after his Army service, joined his brother Wallace in a small basement laboratory and helped solve many difficulties while incorporating the Coulter Principle into a practical automated instrument. In 1958, he helped found Coulter Electronics, Inc.

    • Marshall Don. Graham
    • 2003
  4. Introduced in the mid-1950s, the Coulter Principle became the foundation of an industry responding to the need for automated cell-counting instruments. The industry developed in three acts, as Wallace H. Coulter and his brother Joseph R. Coulter, Jr., developed the simple idea of passing cells through a sensing aperture.

  5. Oct 6, 2021 · A history thesis, based on the author's access to Coulter's personal papers and to files kept by his father, Joseph R. Coulter, Sr., has recently become available; for the first time Coulter's developmental process is factually detailed against the historical context in which it occurred.

  6. A history thesis, based on the author's access to Coulter's personal papers and to files kept by his father, Joseph R. Coulter, Sr., has recently become available; for the first time Coulter's developmental process is factually detailed against the historical context in which it occurred.

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  8. Unlike those engineers who try to perfect an item before marketing it, Coulter understood that it only had to be good enough (“If it’s useful, people will buy it.”), and he had persevered in developing improved implementations of his Coulter Principle.

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