Patents by Inventor Roy F. Gray

Roy F. Gray 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 making sachets
    Patent number: 4594835
    Abstract: A sachet which comprises a sealed bag containing a compressible and porous carrier which is held under compression within the sachet by pressure exerted by the walls of the sachet onto the carrier, the carrier being thoroughly impregnated with liquid suitably an antiseptic. Methods are provided for manufacture of the sachets. The carriers in such sachets containing antiseptic liquid have reduced tendency to harbor bacteria, and are preferably open or reticulated cell foam sponges.
    Type: Grant
    Filed: September 28, 1983
    Date of Patent: June 17, 1986
    Assignee: Imperial Chemical Industries PLC
    Inventor: Roy F. Gray
  • Liquid fuel dispensing pump
    Patent number: D258361
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: February 24, 1981
    Assignee: Dresser Industries, Inc.
    Inventor: Roy F. Gray
  • Liquid fuel dispensing pump
    Patent number: D258437
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: March 3, 1981
    Assignee: Dresser Industries, Inc.
    Inventor: Roy F. Gray
  • Liquid fuel dispensing pump
    Patent number: D258438
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: March 3, 1981
    Assignee: Dresser Industries, Inc.
    Inventor: Roy F. Gray
  • Liquid fuel dispensing pump
    Patent number: D258439
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: March 3, 1981
    Assignee: Dresser Industries, Inc.
    Inventor: Roy F. Gray
  • Liquid fuel dispensing pump
    Patent number: D258440
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: March 3, 1981
    Assignee: Dresser Industries, Inc.
    Inventor: Roy F. Gray
  • Liquid fuel dispensing pump
    Patent number: D258441
    Type: Grant
    Filed: September 18, 1978
    Date of Patent: March 3, 1981
    Assignee: Dresser Industries, Inc.
    Inventor: Roy F. Gray