ALEXANDRIA, Va., June 2 -- United States Patent no. 12,646,302, issued on June 2, was assigned to CDM Smith Inc. (Boston).

"Drone-based vegetation assessment" was invented by Brendan V. Brown (Maitland, Fla.) and Andrew C. Reicks (Kansas City, Mo.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In an embodiment, a method includes selecting an aerial image, from multiple aerial images, each of the multiple aerial images associated with one of multiple locations. Selecting the aerial image is performed corresponding to a location of a device. The method then presents the aerial image selected in a user interface, e.g., of the device. The method then records, via the user interface, a polygon overlaid on the aer...