ALEXANDRIA, Va., March 26 -- United States Patent no. D1,067,638, issued on March 25, was assigned to WATER PIK INC. (Fort Collins, Colo.).
"Oral irrigator handle" was invented by Jeff Ladwig (Seattle) and Zebrick Roach (Seattle).
The patent was filed on July 29, 2022, under Application No. D/848,045.
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