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R & B 21 Patents |
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Assignee: R & B 21
Address: Tokyo, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| D469963 |
Card case |
February 11, 2003 |
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| 7282641 |
Card case |
October 16, 2007 |
| A card case accommodates a card or the like in a hollow portion formed as a result of attachment of a cover member to a bottom member. The cover member has such a structure as to allow reversal of its opposite sides in its attachment to the bottom member. Reversal of the opposite sides o |
| 6625419 |
Grading system, server computer, card case, and card |
September 23, 2003 |
| A grading system includes a sever computer installed in a management company and a client computer owned by a client and connected to the server computer via a network. Through use of the client computer, a client requests the sever computer to appraise and register a card. The manag |
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