Samuel, Lloyd N., and Ralph F. Hollander
The Ransom and Randolph Company, Toledo , Ohio.
The “Centriculator” is simply a sturdy holding device with ease of access for the fabrication of complete dentures. The movement of the upper cast holder is vertical only and was intended to maintain centric relation of the dentures
Dr. Edgar N. Starcke's articles in the Journal of Prosthodontics have more information on the history of articulators.