Patents Assigned to Root-Lowell Mfg., Co.
  • Shut-off valve for a sprayer
    Patent number: 4544133
    Abstract: A shut-off valve for a sprayer which includes an O-ring seal circumscribing the valve stem and serving the dual function of a packing seal between the stem and valve housing at all times as well as preventing fluid flow through the valve when the stem is in its closed position.
    Type: Grant
    Filed: May 25, 1984
    Date of Patent: October 1, 1985
    Assignee: Root-Lowell Mfg., Co.
    Inventor: Dean E. Collins