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Stephen H. Dwyer
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St. Paul, MN, US
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last 30 patents
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Patent Grant
Manual sheet binding structure and method
Patent number
5,052,872
Issue date
Oct 1, 1991
Minnesota Mining and Manufacturing Company
Ray A. Hunder
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Patent Grant
Binding system
Patent number
5,013,200
Issue date
May 7, 1991
Ray A. Hunder
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Patent Grant
Binding system for connected fan folded sheets
Patent number
5,011,187
Issue date
Apr 30, 1991
Minnesota Mining and Manufacturing Company
Ray A. Hunder
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER