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The OTIS ELEVATOR COMPANY can trace its origins to 1853, when Elisha Graves Otis introduced the first safety passenger elevator at the Crystal Palace Convention in New York City. His invention ...

Find the latest Nuveen Preferred & Income Opportunities Fund (JPC) stock quote, history, news and other vital information to help you with your stock trading and investing.

Abstract: With the ever-growing number of elevators coupled with the aging workforce, diminishing new installations and limited use of maintenance technology, it is increasingly challenging for the ...