ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,529,877, issued on Jan. 20, was assigned to H2Ok Innovations Inc. (Millbrae, Calif.).

"Magnification scope and analysis tools" was invented by David Yang Lu (Millbrae, Calif.), Annie Jieying Lu (Millbrae, Calif.), Lin Zhu (Boston) and Anurag Mitra (Kolkata, India).

According to the abstract* released by the U.S. Patent & Trademark Office: "A portable variable focus microscope includes a housing having a lower section and an upper section secured together. A lens is removably disposed on at least one lens retention feature of the upper section. The scope further includes a slide platform and a height adjuster, where rotation of the height adjuster within the scope housing adjusts a re...