The use of stippling in various figures, e.g.,
The broken lines include surrounding environmental structure and do not form part of the claimed design.
The use of stippling in various figures, e.g.,
The broken lines include surrounding environmental structure and do not form part of the claimed design.
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Number | Date | Country | |
---|---|---|---|
Parent | 29414612 | Mar 2012 | US |
Child | 29462540 | US |