Patents Assigned to Hershel Earl Wright
  • Foam dispensing device
    Patent number: 4531660
    Abstract: This foam dispensing device includes an outer container for holding foamable liquid, and a foam producing unit mounted in the discharge port of the outer container. The foam producing unit includes an inner container of substantial smaller cross section than the outer container, and a closure cap having a pressurized air inlet and foam outlet. A one-way valve is provided between the inner and outer containers which opens to replenish the foamable liquid supply in the inner container but remains closed during the foam forming process.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: July 30, 1985
    Assignee: Hershel Earl Wright
    Inventor: George W. Ford, Jr.