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Ralph D. Amundsen
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La Crosse, WI, US
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last 30 patents
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Patent Grant
Incisor roll
Patent number
4,318,433
Issue date
Mar 9, 1982
Webster Wood Preserving Company
Ralph D. Amundsen
B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...