Complex sentence: The Duramold and Haskelite process was first developed in 1937, followed by Gene Vidal's Weldwood and later the Aeromold process produced by the Timm Aircraft Company.
Split into simpler sentences: The Duramold and Haskelite process was first developed in 1937. Followed by Gene Vidal's Weldwood and later the Aeromold process produced by the Timm Aircraft Company.