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Dana Richardson
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Salt Lake City, UT, US
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last 30 patents
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Patent Grant
Connecting devices, interchangeable members, and methods for connec...
Patent number
7,503,187
Issue date
Mar 17, 2009
Spectrum Gems, Inc.
Dana Richardson
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Clasps, interchangeable jewelry pieces, and methods for connecting...
Patent number
7,353,665
Issue date
Apr 8, 2008
Spectrum Gems, Inc.
Dana Richardson
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Patents Applications
last 30 patents
Information
Patent Application
CONNECTING DEVICES, INTERCHANGEABLE MEMBERS, AND METHODS FOR CONNEC...
Publication number
20080040904
Publication date
Feb 21, 2008
SPECTRUM GEMS, INC.
Dana Richardson
A44 - HABERDASHERY JEWELLERY
Information
Patent Application
Clasps, interchangeable jewelry pieces, and methods for connecting...
Publication number
20060021381
Publication date
Feb 2, 2006
Dana Richardson
A44 - HABERDASHERY JEWELLERY