US Patent: 707,472
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Tool Holder
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Patentees:
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Samuel Welter (exact or similar names) - Chicago, Cook County, IL |
John Armstrong (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: |
Mar. 27, 1901 |
Granted: |
Aug. 19, 1902 |
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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