 In October 1994, Stratasys had an initial public offering on NASDAQ; the company sold 1.38 million shares of common stock at $5 per share, netting approximately $5.7 million.In January 1995, Stratasys purchased IBM's rapid prototyping intellectual property and other assets and employed 16 former IBM engineers, who had been developing a small 3-D printer that relied on an extrusion system very similar to Crump's patented fused deposition modeling (FDM) technology.In 2003, Stratasys fused deposition modeling (FDM) was the best-selling rapid prototyping technology.