ALEXANDRIA, Va., July 7 -- United States Patent no. 12,673,150, issued on July 7.

"Multi-position modular carbon dioxide detector and indicator and methods of use" was invented by James William Klena (Norfolk, Va.) and Christopher M. Sciortino (Virginia Beach, Va.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some examples, a method includes providing a leak detector having a body defining a viewing port, a sensor disposed within the viewing port, an inflow connection disposed on one side of the viewing port, and a vent disposed on an opposing side of the viewing port, wherein the inflow connection, the body and the vent define a lumen extending from the inflow connection through the viewing port and the...