ALEXANDRIA, Va., Sept. 23 -- United States Patent no. D1,094,199, issued on Sept. 23, was assigned to INVACARE INTERNATIONAL GMBH (Witterswil, Switzerland).
"Wheelchair frame element" was invented by Simon Brenner (Basel, Switzerland), Michael Zeltner (Arlesheim, Switzerland) and Martin Hunig (Reinach, Switzerland).
The patent was filed on Sept. 15, 2020, under Application No. D/750,619.
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