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.

Pitch this product to companies that would benefit most from it’s uniqueness. Remember to your introduction succinct. Try not to begin the pitch with a long recitation about yourself, your achievements, your company's history, and so on.

The company is purchasing the product not your biography. While knowing what inspired the product may prove beneficial it’s not wise to give long drawn unnecessary details.

Show self-assurance. You know it’s a great product and that it’s one of a kind, tell them how and why.
Sell value, not price. Let them know why they stand to benefit most from this product.

Back up your product. Support your theories about your product with proof of its functionality and performance.
Make sure your solution solves real problems. Companies would like to offer their customers a product that makes their lives easier.Get ahead of potential problems. Try to demonstrate how your product could possibly assist in avoiding specific problems or issues.

This is your creation, your passion, your dedicated thoughts and efforts. Place the same energy spent creating it to relay the importance of a company having it.

I will help you with this you must log onto uspto and do a application. However you should pay the daily fees and get your documents look at with your attorney.