ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,496,535, issued on Dec. 16.
"Laboratory glassware" was invented by Rolf Winter (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A waterless, non-jacketed, laboratory reflux condenser for use in association with a reaction vessel, including: (a) a top portion, wherein the top portion is adapted to serve as a vapor vent; (b) a bottom portion, wherein the bottom portion is adapted for releasable securement to a reaction vessel; (c) a primary condenser; (d) a secondary condenser; and (e) wherein the primary condenser is preferably in-line with the top and bottom portions of the reflux condenser, and the secondary condenser is preferably offset...