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Dennis Bowen
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Ellsworth, WI, US
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last 30 patents
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Patent Grant
User selectable file tab system and method
Patent number
10,065,446
Issue date
Sep 4, 2018
Smead Manufacturing Company
Marvin J. Halfen
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Patent Grant
Stair step portfolio file
Patent number
9,469,148
Issue date
Oct 18, 2016
Smead Manufacturing Company
Duane Christensen
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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Patent Grant
Stair step portfolio file
Patent number
8,540,138
Issue date
Sep 24, 2013
Smead Manufacturing Company
Duane Christensen
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information
Patent Grant
Method for manufacturing stair step portfolio file
Patent number
8,425,387
Issue date
Apr 23, 2013
Smead Manufacturing Company
Duane Christensen
B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER