^ the "D I" marking on mikegt4's examples above (the top four) makes it easy:
Those were made by Duro / Indestro (the "D I" is "Duro Indestro".) They might have a patent number stamped on them somewhere.
The OP's sample is a Duro / Indestro made unit as well.
Search Ebay for Indestro 0701 0702 7003 0704 0705 0708 and you'll see all kinds of them. They stamped all kinds of different names on them, not just "Craftsman".
As to "vintage":
They do not appear in what is believed to be the 1959 Indestro catalog (No. 22)
They do appear in the 1972 Indestro catalog (No. 55)
I've never checked the later catalogs...

Indestro went out of business in 1990.