ALEXANDRIA, Va., June 10 -- United States Patent no. 12,292,316, issued on May 6, was assigned to Altria Client Services LLC (Richmond, Va.).

"Sensor apparatus" was invented by David B. Kane (Richmond, Va.), Yezdi B. Pithawalla (Richmond, Va.), Srinivasan Janardhan (Glen Allen, Va.) and Gerd Kobal (Sandy Hook, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A sensor apparatus may include a channel structure configured to couple with an external element and a fluid conduit, such that the channel structure may receive a fluid, at least partially drawn through the external element from an ambient environment, and direct the fluid through the fluid conduit. A sensor may generate sensor data indicating a flow ...