The Inventors Association of South Central Kansas (IASCK) meets on the main campus of Wichita State University at the John Bardo Center on the fourth Monday of every month. See their website for membership details and information on upcoming presenters.
The National Inventors Hall of Fame has ceased it's print publication as of June 2016, but information about the inductees can be found at their website.
The TV show Everyday Edisons has inspired many to become inventors. The website provides some inventor resources, a newsletter, and spotlights inventors that have appeared on the show.
Inventors Eye is the USPTO's publication for the independent inventor community. Fall 2018 issue (most current issue available online under "all issues").