"Finally, in 1959, almost 14 years and $75 million after Dessauer first looked at Carlson's process, Haloid Xerox Inc., as it had now become, offered the revolutionary 914 copier..." — a long path to success.
Rocky Mountain Overthrust Belt drilled for 50 years fruitlessly before first over 500,000,000 Bbl oil field found (Anschutz).