X0202 3 2004-10-22 0 0000837600 ENTROPIN INC ETOP 0001307536 Chapman David M 45926 OASIS STREET INDIO CA 92201 1 0 0 0 Common Stock 15000 D Warrants 10.50 2000-03-14 2005-03-14 Common Stock 5000 D David M. Chapman 2004-11-01