Inventors Hall of Fame to recognize agricultural pioneers

The National Inventors Hall of Fame is inducting three people who made an impact on agriculture.

The late Frank Zybach of Nebraska was a metal worker and inventor who developed an initial system in the 1940s.  In 1952, Zybach was granted a patent on a larger irrigation system with a 600-foot boom that could water a 135-acre circle or all but the corners of a standard 160-acre section of land.

Two years later, Valley Manufacturing acquired the patent rights from Zybach, and today, the Omaha-based Valmont Industries Inc.

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