Fanatics has the umbrella apparel license with both NFL and NBA. For non-apparel, the NBA entertains new concepts all the time (I used to run business operations for the licensing group in the 90s). However, you will need to show distribution and required to pay a minimum if you were to pursue a non-apparel license for your own company. There are dozens of long time "hard goods" licensees and they may be interested in working with you. Licenses are granted for specific products (known as "rights management") I can point you in the right direction but need to know more.