Northrop Grumman Systems Corporation

Alexander N Peck

Edwin Gerard Haas

John M Papazian

Edward V Sullivan

Robert Charles Schwarz

Martin Kesselman

The invention resides in a module used in conjunction with other such modules in an apparatus for rapidly producing an article having a three-dimensional design comprising a base, a plurality of pins mounted on said base and said plurality of pins movable relative thereto, a plurality of drive motors corresponding in number to the number of said plurality of pins and means interconnecting each of said plurality of pins with said base, each said means being connected independently between said base and a corresponding one of said pins. A control means interconnects each of said drive means and a controller with one another to effect selective energization of said drive means.

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Commack, NY, United States of America

Alexander N Peck