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Stephen A. Knis
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Meriden, CT, US
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last 30 patents
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Patent Grant
Method and apparatus for smoothing foamed plastic core panelboard s...
Patent number
4,267,134
Issue date
May 12, 1981
The Upjohn Company
Richard A. Kolakowski
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Patent Grant
Oriented cell polyisocyanurate foam laminate
Patent number
4,264,673
Issue date
Apr 28, 1981
The Upjohn Company
Daniel J. Breidenbach
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL