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Melvin H. Sidebotham Jr.
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Winchester, MA, US
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last 30 patents
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Patent Grant
Apparatus for forming diagonally corrugated paperboard
Patent number
3,993,425
Issue date
Nov 23, 1976
The Real-Reel Corporation
Richard G. Dunn
B31 - MAKING ARTICLES OF PAPER OR CARDBOARD WORKING PAPER OR CARDBOARD