ALEXANDRIA, Va., March 24 -- United States Patent no. D1,119,725, issued on March 24, was assigned to SUBMERSED TECHNOLOGIES PP2 AB (Bromma, Sweden).
"Propeller" was invented by Emil Bang (Bromma, Sweden), John Anggard (Skutskar, Sweden), Mathias Andersson (Obbola, Sweden) and Robert Hillgren (Linkoping, Sweden).
The patent was filed on June 16, 2023, under Application No. D/521,395.
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