ALEXANDRIA, Va., July 15 -- United States Patent no. 12,661,041, issued on June 23, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).

"Cap with venting plug for biological fluid collection device" was invented by Milan Ivosevic (Kinnelon, N.J.) and Ryan W. Muthard (Wynnewood, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A cap with a venting plug for a biological fluid collection device is disclosed. The venting plug allows air to pass therethrough and prevents a blood sample from passing therethrough. In one embodiment, the venting plug is a porous plug. In one embodiment, the cap includes a venting plug including a carboxymethylcellulose additive. A cap that limits analyte bias due to t...