#USPTO: 02.11.25 - Lungs, human, Nerves, human, Nose, human, Spine, human, Blood vessels, human, Intestines, human, Human, other parts of the body, Buttocks, human, Brain, human, Tongue, human #USPTO: 03.23.15 - Micro-organisms, Germs, Coronavirus, Bacteria, Amoebas, Cells of microscopic size, including sperm cells, skin cells, blood cells, platelets, Viruses, Sperm cells #Damebretter, Schachbretter, Kreuzworträtsel #Kreise mit Darstellungen von Himmelskörpern oder Naturphänomenen #Kreise mit kreisförmig angeordneten Inschriften #USPTO: 26.09.13 - Two squares, Squares, exactly two squares #USPTO: 26.09.21 - Squares that are completely or partially shaded #USPTO: 26.17.09 - Lines, curved, Bars, curved, Curved line(s), band(s) or bar(s), Bands, curved