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Dennis A. Grubb
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Orange, CA, US
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Patents Grants
last 30 patents
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Patent Grant
Speed reducer for retractable screen systems
Patent number
6,854,505
Issue date
Feb 15, 2005
Clear View Products, Inc.
Darryl L. Grubb
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
Speed reducer for retractable screen systems
Publication number
20040103999
Publication date
Jun 3, 2004
Darry L. Grubb
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS