I've been trying to find information about WB Goddard's light fixtures for years, never finding much online. Dad once found one of his pieces on Ebay, but other than that I haven't had much luck. Until now! I found a site that has seven patents filed under Wilfred B Goddard. You can download the patent paperwork in full, including beautiful technical drawings and elaborate descriptions here at www.freepatentsonline.com - you have to register, then click on the patent search and in the "inventor" box enter Wilfred B Goddard. I can also email you all the PDF's if you are interested. There's a lot of information!
Here's a little taste:

If anyone knows more about WB Goddard and his creative endeavors, I am extremely interested!