Success! Found it! I finally got a lucky break with my google-fu. :) (It was searching for "Wedgewood blue" that finally gave me the break.)
The glasses are made by the Jeannette Glass Company. The green glass pattern is "Hellenic Green" (or possibly "Grecian Hellenic Green"), and the blue pattern is... dang, my google-fu has run out for tonight. (The Hellenic pattern is suspiciously similar to a Wedgewood pattern... I wonder if it was "inspired by", or if they were in collaboration?)
Another useful keyword: Jasperware.
To do: find out the name of the blue pattern (I found a listing on Etsy given Jeannette as the company, but without a pattern name), and a date for both. The date appears to be 1950s, but I'd like a better source.