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Leadholder or Related Patent Thumbnail Index |
 http://leadholder.com/pat-us-d144474-1945-elastichuck.html |
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date of application date granted inventor assignee patent holder country |
1945 July 23 1946 April 16 James C. Winslow – United States |
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| patent employed on |
 Elastichuck drafting leadholder |
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