US Patent: 3,897
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Machine for boring and cutting screws Machine for drilling and mortising wood or metal
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Patentee:
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Aretus A. Wilder (exact or similar names) - Detroit, MI |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Granted: |
Jan. 31, 1845 |
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Jeff Joslin Vintage Machinery entry for A. A. Wilder
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Description: |
"The nature of my invention consists in an improvement in drilling or mortising metal by means of a useful combination in machinery, whereby the operation is greatly simplified and expedited." |
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