Hasley, Thomas R.
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creatorOf | Hasley, Thomas R. Railroad Tie Patents, 1906. | Michigan Technological University, J.R. Van Pelt & Opie Library; Michigan Tech |
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associatedWith | United States. Patent and Trademark Office | corporateBody |
Place Name | Admin Code | Country | |
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Houghton (Mich.) |
Subject |
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Railroad ties |
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Person