ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,738,657, issued on Sept. 15.
"Microstrip patch antenna with concave bottom layer on two sides" was invented by Ali Okatan (Istanbul) and Cihan Dogusgen (Istanbul).
According to the abstract* released by the U.S. Patent & Trademark Office: "A microstrip patch antenna with a two-sided concave substrate can be used simultaneously in all WLAN, 4G LTE and 5G wireless technologies, especially in the frequency range 4940-5600 MHz, serving in frequency bands determined by the standards the distinctive feature of which is; a lower base formed in a circular form on the horizontal axes with both surfaces concave on the vertical axis, the ground plane located in the lower part of the lower base...