The broken lines in the figures showing other portions of an ophthalmic roughing wheel are for illustrative purposes only and form no part of the claimed ornamental design.
The broken lines in the figures showing other portions of an ophthalmic roughing wheel are for illustrative purposes only and form no part of the claimed ornamental design.
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Number | Date | Country | |
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Parent | 29372709 | Dec 2010 | US |
Child | 29418463 | US | |
Parent | 12317764 | Dec 2008 | US |
Child | 29372709 | US |
Number | Date | Country | |
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Parent | 11731667 | Mar 2007 | US |
Child | 12317764 | US | |
Parent | 10829630 | Apr 2004 | US |
Child | 11731667 | US |