I save online obits from the Stockton Record on a daily basis and I couldn't find an obit for Leonard....you might try http://obits.rootsweb.ancestry.com/cgi-bin/obit.cgi
to see if maybe one appeared in the print edition (the system is down right now for maintenance....

LEONARD P POWERS 30 Jun 1912 03 Aug 2005 (V) 95207 (Stockton, San Joaquin, CA) (none specified) 522-03-0443 Colorado