Unless you consider the countless weapons and ammodeleveries, besides many millions of dollars(in todays money) in loan.
And because we supplied these goods, Britian decleared war on us, effectivly drawing away many soldiers. We joined the anti-British coalition in 1780, which is about the time the Rebs started winning. While we did relativly little of the fighting, our share is certainly not insignificat.
It might be hard to see, but you must see the Revolution as a part of the bigger scheme. If we, and even more importanty, the Spanish and France had left the Rebs helpless, there's no way they would have won.