Today in 1882, US Patent 254565 A was issued, an invention of Samuel R. Percy and Walter S. Wells, for their “Improvement in Process of Preparing a Combined Extract of Hops and Malt.” There’s no Abstract, although in the description it includes this summary:
The object of our invention is to produce a combined extract of hops and malt in which the essential principles of both substances shall be so concentrated as to be more easy of manipulation, less bulky in storage, and capable of indefinite preservation in their original purity and strength.