Patents by Inventor David M. Piatt

David M. Piatt 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).

  • Compositions containing psyllium
    Patent number: 5126150
    Abstract: Calcium lactate coated psyllium fiber composition and psyllium-containing baked cookie composition having high fiber content and good eating qualities. These baked cookies comprise calcium lactate coated psyllium fiber, insoluble dietary fiber, shortening, flour, sugar and water. Eating quality of these psyllium-containing cookies is especially enhanced by their reduced tendency for the composition to stick to and/or form a film on teeth during ingestion.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: June 30, 1992
    Assignee: The Procter & Gamble Company
    Inventors: David M. Piatt, Julia M. Courts, Mary M. Fox
  • Detergent compatible, dryer released fabric softening/antistatic agents
    Patent number: 4898680
    Abstract: Fabric softener particles comprising an inner core of fabric softening composition and an outer coating completely surrounding said core. The outer coating is substantially water-insoluble and protects the inner core from dissolving when present in a typical fabric laundering operation, but releases the softener composition to the fabrics when the fabrics are dried in a heated dryer.
    Type: Grant
    Filed: November 7, 1988
    Date of Patent: February 6, 1990
    Assignee: The Proctor & Gamble Company
    Inventors: Allen D. Clauss, Gayle E. Culver, David M. Piatt, Thomas J. Wierenga
  • Detergent compatible, dryer released fabric softening/antistatic agents in a sealed pouch
    Patent number: 4828746
    Abstract: Fabric softener particles comprising an inner core of fabric softening composition and an outer coating completely surrounding said core. The outer coating is substantially water-insoluble and protects the inner core from dissolving when present in a typical fabric laundering operation, but releases the softener composition to the fabrics when the fabrics are dried in a heated dryer.
    Type: Grant
    Filed: November 24, 1986
    Date of Patent: May 9, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Allen D. Clauss, Gayle E. Culver, David M. Piatt, Thomas J. Wierenga
  • Flexible, high contrast, non-glare, polarizing filter for an illuminated switch assembly
    Patent number: 4318958
    Abstract: An optically coated, flexible glass plate cemented to a sheet of polarizing aterial combine to provide a high contrast, non-glare, polarizing filter that can be used in combination with an illuminated switch assembly such as with conventional membrane switches.
    Type: Grant
    Filed: August 25, 1980
    Date of Patent: March 9, 1982
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventor: David M. Piatt