Field sprinkling apparatus
United States Patent 2516711
US Patent References:
Interlocking mold
- - 1375660

Irrigation device
- - 1935295

Flexible shaft coupling
- - 2148975

Sprinkler pipe
- - 2339632

Lock for pipe joints
- - 2355407


Inventors:
Mansur, Darrell C.
Publication Date:
07/25/1950
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Assignee:
Mansur, Darrell C.
Primary Class:
239/741
International Classes:
A01G25/09; A01G25/00
Foreign References:
GB186803416A
GB157727A
DE425774C