A handful of nice product sources photos I found:
The Tesla Patent Wall at HQ, now set cost-free
Image by jurvetson
I got a photo of it just before its demolishment.
All Tesla Patents are now open supply. The ideal summary: "Technology leadership is not defined by patents, which history has repeatedly shown to be tiny protection indeed against a determined competitor, but rather by the potential of a firm to attract and motivate the world’s most talented engineers." (Tesla Weblog)
The capacity to innovate is a lot more important than any one particular innovation. Engineers >> Patents
The Tesla Patent Wall at HQ, now set free