Patents Assigned to James L. Bailey
  • Patent number: 4919332
    Abstract: A diaphragm type riser for an irrigation sprinkler including a coil compression spring that acts against the diaphragm for urging the riser to its retracted position.
    Type: Grant
    Filed: March 1, 1988
    Date of Patent: April 24, 1990
    Assignee: James L. Bailey
    Inventor: James L. Bailey