The mark consists of: "two letter 'L's, one from right to left, and one upside down from left to right. There is an uppercase letter 'H' in the center between the two 'L's.
001, 002, 003, 022, 041
Design plus words, letters, and/or numbers
Quadrilaterals comprised of letters, numerals or punctuation and letters, numerals or punctuation forming the perimeter of a quadrilateral , Quadrilateral (two quadrilaterals), Quadrilaterals that are completely or partially shaded