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Steven M. Hopkins
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North Palm Beach, FL, US
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last 30 patents
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Patent Grant
Ring forging process
Patent number
4,860,567
Issue date
Aug 29, 1989
United Technologies Corporation
William G. Askey
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Hollow article forging process
Patent number
4,803,880
Issue date
Feb 14, 1989
United Technologies Corporation
Steven M. Hopkins
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...