Engineers
Gordon Gould
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Gordon Gould was an American physicist who worked out the principles of the laser in a notebook in 1957 and coined the word laser there, but delayed filing a patent application until 1959, after which he spent nearly three decades in litigation before winning key laser patents in the 1970s and 1980s.
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The Laser, Inventions Why this is disputed. Gould's 1957 notebook, later notarized, documents the laser's operating principles and the word "laser" itself three years before Maiman built a working device, but Gould did not file for a patent until 1959 and had to fight for patent recognition for nearly three decades.
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