US Patent Issued to S. C. JOHNSON & SON on March 18 for "Pesticidal vapor release devices and compositions" (Canadian Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,250,941, issued on March 18, was assigned to S. C. JOHNSON & SON INC. (Racine, Wis.).

"Pesticidal vapor release devices and compositions" was invented by Nathan Woodbury (Burnaby, Canada), Robert James Etsu Takeuchi (Vancouver, Canada), Steven Lin (Vancouver, Canada), Anthony Hoover (Vancouver, Canada) and Shannon Pyke (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A release device for a vaporizable and/or sublimateable pesticide is provided. The release device is suitable for use against subterranean pests (e.g. fire ants). The release device may be driven into and/or placed in a cavity within the soil or other substrate where the pes...