Long before the Brompton’s, Dahon’s there was the Moulton. The one pictured above is the New Series Moulton. It features; advanced Flexitor front suspension, Hydrolastic rear suspension, and a lighter, stiffer, stainless steel frame.
The story of Dr. Alex Moulton and his bicycle designs are really worth read. The Moulton website has an overview here.
I’ve ridden a few but, never had the fortune to own one. Plush ride!