aric the duraglass name was used first in toledo ohio in 1929 also that same year owens and the illinois glass company merged to form the owens illinois glass co. bottles will have an o in a diamond on the base mike heres some links mike
They used the screw top Listerine bottles with Bakelite from the mid 1930s untill the mid 50s and plastic lids until the 1980s. They were slow in changing to plastic bottles.
Used to get the small one shots in our kits in the military.