Complex sentence: In 1991, Wheatley set up a Micropal branch in Switzerland that distributed Micropal products and two years later he wrote the first version of TAP which filled a previous gap in the market for such a product.
Split into simpler sentences: In 1991, Wheatley set up a Micropal branch in Switzerland that distributed Micropal products. Two years later he wrote the first version of TAP which filled a previous gap in the market for such a product.