ALEXANDRIA, Va., Aug. 20 -- United States Patent no. D1,089,324, issued on Aug. 19, was assigned to Sandvik Mining and Construction Oy (Tampere, Finland).
"Rock breaker" was invented by Erik Airas (Lahti, Finland), Juha Intonen (Lahti, Finland), Jarkko Luokkala (Lahti, Finland), Simo Kuutti (Lahti, Finland), Ilkka Niemi (Hollola, Finland) and Juho Huotari (Lahti, Finland).
The patent was filed on Feb. 24, 2023, under Application No. D/885,455.
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