US Patent 7731147 Universal bookholder
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Patent abstract
A universal bookholder which receives a book therein in a folder type, and which is portable and usable anywhere at any time to allow a user to read a book thereon is disclosed.
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Patent Citations Received
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Patent Inventor Names
Sang-Hoon Rha0
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US Patent 07731147 Universal bookholder US Patent 7731147 Universal bookholder
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Patent Number
077311470
Patent Number
77311470
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Official Website
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Is a
Patent Jurisdiction
Patent Number
077311470
Date of Patent
June 8, 2010
0Patent Application Number
105691020
Date Filed
January 15, 2004
0Official Website
Patent Primary Examiner
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US Patent 07731147 Universal bookholder
Infobox
Is a
Patent jurisdiction
Patent number
07731147
Date of patent
June 8, 2010
Patent application number
10569102
Date Filed
January 15, 2004
Patent primary examiner
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