The Xerox Alto was made by Xerox Corporation at its Palo Alto Research Center in Palo Alto, California.

Xerox Alto was created in 1973.

The Xerox Alto was developed in 1973 at the Xerox Palo Alto Research Center (PARC) in California . The name "Alto" came from the location, Palo Alto. The Alto was a development machine and was not marketed. However, machines based upon the Alto were eventually offered in the marketplace.

Xerox

The Xerox Alto was a machine, not something to be published. It was built and used, but it was a test device and was not made available to the commercial market.