US Patent Issued to Patient Knowhow on July 1 for "Maskless respiratory and eye protection device for aerosols and vapors including chemical, biological, radiological, and nuclear (CBRN) contaminants" (California Inventor)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,343,573, issued on July 1, was assigned to Patient Knowhow Inc. (San Mateo, Calif.).

"Maskless respiratory and eye protection device for aerosols and vapors including chemical, biological, radiological, and nuclear (CBRN) contaminants" was invented by Devabhaktuni Srikrishna (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "A respiratory and eye protection device having at least one filter and at least one axial fan. The least one filter is configured to achieve an aerosolized particle contamination filtration efficiency of 50% or greater for particles having a size of about 0.3 micro metre and configured to achieve a vapor contamination filt...