ALEXANDRIA, Va., Oct. 27 -- United States Patent no. 12,773,658, issued on Oct. 27, was assigned to GREEN LADDER TECHNOLOGIES LLC (Batavia, Ill.).

"Medical filtration device and systems" was invented by Ken Kubitz (Elburn, Ill.) and Timothy Austin (Scotts, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are filtration devices, including medical filtration devices, for operating within a vacuum unit. The filtration system removes particulate matter, including smoke, volatile compounds, and long chain organic compounds. The construction of the filtration system is within a single filter housing allowing for ease of construction and a single potting versus multiple potting's. The filtration system...