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Leadholder or Related Patent Thumbnail Index |
direct link http://www.leadholder.com/pat-us03179089-1963-rolling_lh.html |
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date of application date granted inventor assignee patent holder country |
1963 April 23 1965 April 20 Joseph A. Civitarese – United States |
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| © 2001 to 2008 Dennis B. Smith |
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