Heeren, David S. Trademarks
TENDEX

TENDEX

Filed: June 14, 1991
series of books about basketball
Owned by: Heeren, David S.
Serial Number: 74175992

TENDEX

TENDEX

Filed: August 19, 1996
books and reports featuring a basketball statistical rating system
Owned by: Heeren, David S.
Serial Number: 75152756