ALEXANDRIA, Va., April 2 -- United States Patent no. D1,069,111, issued on April 1, was assigned to MDF Instruments USA LLC (Rincon, Puerto Rico).
"Stethoscope tubing" was invented by Darren Talun Chiao Ting (Rincon, Puerto Rico), Jonathan Allen Rogers (Rincon, Puerto Rico) and Lance William Newman (Blanchard, Okla.).
The patent was filed on July 26, 2021, under Application No. D/788,750.
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