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Leadholder or Related Patent Thumbnail Index |
 http://leadholder.com/pat-us02540320-1949-trupoint.html |
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date of application date granted inventor assignee patent holder country |
1949 March 22 1951 February 6 Edward L. Cayo – United States |
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| patent employed on |
 Tru-Point Lead Pointer
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    Note: The foreign patents reference "240,813—Sweden" is in error. The country should be Switzerland. |
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