ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,209,937, issued on Jan. 28, was assigned to Veltek Associates Inc. (Malvern, Pa.).
"Portable air sampler" was invented by Nathan G. Kocher (Malvern, Pa.), Arthur L. Vellutato Jr. (Malvern, Pa.), Jeffrey Churchvara (Downingtown, Pa.) and Mark A. Phillips (King of Prussia, Pa.).
According to the abstract* released by the U.S. Patent & Trademark Office: "An air sampling device and method of sampling air. The device has a housing body and a retaining assembly for a sampling device. A plenum has a top end coupled to the housing body about an opening such that the plenum is in flow communication with the opening and receives air flow generally from the top end to the bottom end generally a...