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Daniel W. Tollenaar
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Des Moines, IA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Metal stud installation apparatus and method
Patent number
7,770,348
Issue date
Aug 10, 2010
Daniel W. Tollenaar
E04 - BUILDING
Information
Patent Grant
Drywall backing apparatus and method of installing same
Patent number
7,331,149
Issue date
Feb 19, 2008
Daniel W. Tollenaar
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Drywall backing apparatus and method of installing same
Patent number
6,705,056
Issue date
Mar 16, 2004
Daniel W. Tollenaar
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
Metal Stud Installation Apparatus and Method
Publication number
20080168733
Publication date
Jul 17, 2008
Daniel W. Tollenaar
E04 - BUILDING
Information
Patent Application
DRYWALL BACKING APPARATUS AND METHOD OF INSTALLING SAME
Publication number
20080053013
Publication date
Mar 6, 2008
Daniel W. Tollenaar
E04 - BUILDING
Information
Patent Application
Drywall backing apparatus and method of installing same
Publication number
20040055229
Publication date
Mar 25, 2004
Daniel W. Tollenaar
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Drywall backing apparatus and method of installing same
Publication number
20030074846
Publication date
Apr 24, 2003
Daniel W. Tollenaar
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...