Complex sentence: In September 1994, Luotonen began working at Mosaic Communications, founded a few months earlier, would become in two months as of November 1994 the renamed Netscape Communications Corporation.
Split into simpler sentences: In September 1994, Luotonen began working at Mosaic Communications, founded a few months earlier. Mosaic would become in two months time as of November 1994 the renamed Netscape Communications Corporation.