Patchy? Hardly any change? Man, your beard is far from patchy and the change is substantial, IMHO. I think what you're doing is comparing your current beard to one considerably more mature, albeit short. It take time for even a short beard to fill in.

Just be patient!
Tom


Some helpful links:
Library Central of Beard Growing


Taming the Wild Mustache
Tips for eating and drinking with a big mustache

Excess on occasion is exhilarating. It prevents moderation from acquiring the deadening effect of a habit. ~ W. Somerset Maugham
A jerk with a beard is just a bearded jerk, but a bearded gentleman is awesomeness personified. ~ Triibeard