The 3rd car shown is the Tasco prototype, it’s on display in the Auburn Cord Duesenberg Automobile Museum in Indiana
(https://automobilemuseum.org/)
The enduring feature that is still with us from this car is the “T-Top” roof with removable panels.
The 1st car looks like a precursor of the Davis Divan Davis Divan - Wikipedia
The second car is the one that they didn’t really give any detail about.
