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Wasp and Hornet Spray Features Natural Oils

April 4, 2013

US Patent No. 8,394,358 B2; Sterling International Inc., based in Spokane, WA, has patented a wasp, hornet and yellow jacket spray repellent and nest pesticide.

The insecticidal composition consists of lemongrass oil, clove oil, rosemary oil and geranium oil.
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