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Robert Workman
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Canby, OR, US
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Patents Grants
last 30 patents
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Patent Grant
Shoe having a replaceable sole
Patent number
7,520,069
Issue date
Apr 21, 2009
Omni Trax Technology Inc.
Robert Workman
A43 - FOOTWEAR
Information
Patent Grant
Shoe having a replaceable sole
Patent number
7,331,123
Issue date
Feb 19, 2008
Omni Trax Technology, Inc.
Robert Workman
A43 - FOOTWEAR
Patents Applications
last 30 patents
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Patent Application
SHOE HAVING A REPLACEABLE SOLE
Publication number
20070271816
Publication date
Nov 29, 2007
OMNI TRAX TECHNOLOGY, INC.
Robert Workman
A43 - FOOTWEAR
Information
Patent Application
Shoe having a replaceable sole
Publication number
20060042119
Publication date
Mar 2, 2006
Robert Workman
A43 - FOOTWEAR