Complex sentence: The aircraft was designed by the renowned Italian designer Stelio Frati in 1955, and originally built in Italy by Aeromere (later Laverda) for sale, but the design was adopted in the US in the 1980s and converted to kit form.
Split into simpler sentences: The aircraft was designed by the renowned Italian designer Stelio Frati in 1955, and originally built in Italy by Aeromere (later Laverda) for sale. The design was adopted in the US in the 1980s and converted to kit form.