Description: (Inventor)
John Wesley Hyatt was an American inventor who significantly improved celluloid production and obtained almost 238 patents. He created a substitute for ivory used in billiard balls and established the Albany Dental Plate Company. Other notable inventions by Hyatt include the first injection molding machine, enhancements in sugarcane milling, roller bearings, and a multi-stitch sewing machine. He founded the Celluloid Manufacturing Company in 1872 and had a professional career marked by patent disputes, the establishment of the Hyatt Roller Bearing Company, and the employment of Alfred P. Sloan, who later became the president of General Motors.