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Knizley James B.
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Woodbury, CT, US
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last 30 patents
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Patent Grant
Ether-based polyurethane elevator sheave liner-polyurethane-urea ma...
Patent number
5,112,933
Issue date
May 12, 1992
Otis Elevator Company
Hugh J. O'Donnell
B66 - HOISTING LIFTING HAULING