A variety of different corporations have sponsorship deals with the Patriots.
Verizon benefits from their sponsorship deal with sponsorship entitlements such as the on-site sales outlet seen below. Having an on-site sales outlets is just one of the many entitlements a corporation has and benefits from with the sponsorship deals.

Other entitlements for their sponsors can be seen with the advertising space in the stadium on the score board which shows a variety of different corporations who are sponsors.


The sponsor for the naming rights to the Patriots stadium is Gillette. Naming rights entitles the sponsor, Gillette, to have its name on the stadium. It also entitles them to have other entitlements such as advertising and use of the brand and trademark of the Patriots on their products.
Some of the sponsors even have a link to their websites on the Patriots website. This includes Gillette, Verizon, Bank of America, amongst a few others. Think link to their websites is another entitlement these corporations benefit from with their sponsorship deals.
Here is a list of the corporate sponsors of the New England Patriots.
http://gillettestadium.com/corporate-partners