Michael A. Blake, registered patent attorney, teaches a two-night course for inventors and small businesses. The first course, on Thursday, March 7 from 6:30 p.m. to 8:30 p.m., focuses on the patents. The second course, on Thursday, March 14 from 6:30 p.m. to 8:30 p.m., covers trademarks and copyrights. The course is held at Law High School, 20 Lansdale Ave. in Milford, in room 101. Cost is $39 for Milford residents, $34 for Milford seniors and $44 for nonresidents. Contact Milford Adult Education at www.milforded.org or 203-783-3461 to sign up.