US Patent: 1,330,111
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Chuck
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Patentee:
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Thomas J. Fegley (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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Applied: |
Jul. 11, 1918 |
Granted: |
Feb. 10, 1920 |
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Steve Gosselin "Vintage Machinery" entry for North Bros. Manufacturing Co.
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Description: |
This patent date is on No. 40 and other push drills. Also listed on a No. 40 are the dates November 2, 1897 (593,157) and January 25, 1898 (597,766) This is a twist chuck that replaced Patent #666507 |
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