A Valley entrepreneur who created a trendy keychain line is appearing today on “The Oprah Winfrey Show.” Sandy Stein, a former airline attendant, created Finders Key Purse in 2004. The hook device with various emblems is attached to a key ring and is meant to hang on the side a purse, making for easy access. The Oprah segment, called “Mom Who Made Millions,” focuses on innovative inventions. It airs today at 3 p.m. on KABC-TV, Channel 7. Click here to read a Business Journal profile on Finders Key Purse.