David W. Davidson

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Del Mar, CA

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Patents Grantslast 30 patents

Information Patent Grant
Irrigation sprinkler with debris flushing perforated riser
- Patent number 9,302,287
- Issue date Apr 5, 2016
- Hunter Industries, Inc.
- Richard M. Dunn
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...