ALEXANDRIA, Va., April 9 -- United States Patent no. 12,268,649, issued on April 8, was assigned to Gulfstream Inc. (Cambridge, Canada).
"Foot spa with disposable pump" was invented by Minh Sang Tran (Cambridge, Canada) and Chris Alexander (Cambridge, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "The foot spa has a rotating drive hub and a pump. The hub has North and South pole domains encircling a rotation axis in alternating relation. The pump includes a housing and an impeller, the housing having a pair of sides and defining: a cavity having a center and a periphery; an intake that communicates with the cavity center; and one or more ports communicating with the periphery. The impeller is mounted ...