ALEXANDRIA, Va., July 28 -- United States Patent no. 12,690,711, issued on July 28, was assigned to Pacific Market International LLC (Seattle).
"Coffee filter" was invented by Andrew C.F. Wahl (Seattle).
According to the abstract* released by the U.S. Patent & Trademark Office: "A filter assembly that includes a receptacle, filter, and filter holder. The receptacle has an inside surface defining an open-ended first through-channel. The filter is positioned inside the first through-channel and configured to produce a filtered liquid by filtering particulates each larger than a predetermined size from a liquid. The filtered liquid exits the filter through an outlet opening of the filter. The filter holder removably couples the filter to the...