ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,698,964, issued on Aug. 4, was assigned to RAPSODO PTE. LTD. (Singapore).
"Calibration mark apparatus" was invented by Evgeny Lipunov (Singapore), Samuel Whitcomb (Singapore), Janice Hui Lin Tan (Singapore) and Batuhan Okur (Singapore).
According to the abstract* released by the U.S. Patent & Trademark Office: "A calibration mark apparatus includes a support having at least one wall with at least one calibration pattern on the least one wall and at least one attachment portion extending from the least one wall. The attachment portion may be a flap extending from at least one wall for attaching the support to a surface or a net. The support may be a three-dimensional (3D) structure. Th...