Looking for info on an old commercial coffee machine

I worked in a tech company in the early 1990s in California, and we had a coffee vending machine that I'm trying to identify.

It was a large rectangular box, if memory serves I don't think it was floor-standing. It would have been 3-4 feet tall. You'd press buttons to select a coffee blend, and lights would illuminate the interior. Through ports on the front you'd see a conveyor of filter paper - I'm pretty sure it used a puck of coffee pressed against the paper, forced water through the coffee and paper into a cup, then advanced the paper to a clean space. The cup would travel down a chute like a typical vending machine.

Does anyone have name of the manufacturer of these, or a source for pictures?
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