US Patent: 745,758
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Slotting Machine Tool Holder
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Patentees:
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John Armstrong (exact or similar names) - Chicago, Cook County, IL |
Samuel Welter (exact or similar names) - Chicago, Cook County, IL |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
May 29, 1903 |
Granted: |
Dec. 01, 1903 |
USPTO (New site tip) Google Patents
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Joel Havens Armstrong Brothers Tool Co. history "Vintage Machinery" entry for Armstrong Brothers Tool Co.
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Description: |
Louis K. Gillson - patent attorney
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