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Patents
Patents Assigned to James L. Bailey
Patents Assigned to James L. Bailey
Riser or pop-up irrigation sprinkler
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