Patents by Inventor Richard D. DeVeaux

Richard D. DeVeaux has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Method for determining the distribution of constituent subpopulations within a population of particles having overlapping subpopulations
    Patent number: 5349538
    Abstract: A method and apparatus for determining the parameters (i.e., proportion, mean, and standard deviation) of constituent subpopulations within a sample population of particles which contains overlapping populations. The invention includes the use of the EM algorithm, an iterative process which estimates the probability that a particle belongs to any given overlapping subpopulation.
    Type: Grant
    Filed: February 12, 1993
    Date of Patent: September 20, 1994
    Assignee: Edward Lawrence Carver, Jr.
    Inventors: Edward L. Carver, Jr., Richard D. DeVeaux, David C. DeCava
  • Method and apparatus for determining the distribution of constituent subpopulations within a population of particles having overlapping subpopulations
    Patent number: 5187673
    Abstract: A method and appartatus for determining the parameters (i.e., proportion, mean, and standard deviation) of constituent subpopulations within a sample population of particles which contains overlapping populations. The invention includes the use of the EM algorithm, an iterative process which estimates the probability that a particle belongs to any given overlapping subpopulation.
    Type: Grant
    Filed: February 5, 1991
    Date of Patent: February 16, 1993
    Assignee: Edward L. Carver, Jr.
    Inventors: Edward L. Carver, Jr., Richard D. DeVeaux, David C. DeCava