ALEXANDRIA, Va., Feb. 24 -- United States Patent no. D1,114,528, issued on Feb. 24, was assigned to Oomph Systems B.V. (Delft, Netherlands).
"Inflatable mattress" was invented by Sam Ninaber van Eijben (Delft, Netherlands).
The patent was filed on May 31, 2023, under Application No. D/876,988.
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