US Patent: 2,318,456
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Cutting chain sharpener
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Patentee:
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Arthur N. Blum (exact or similar names) - Philadelphia, PA |
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Patent Dates:
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Applied: |
Dec. 30, 1939 |
Granted: |
May 04, 1943 |
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Jeff Joslin Vintage Machinery entry for Kingston-Conley Electric Co. Vintage Machinery entry for Henry Disston & Sons
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Description: |
An example is labeled "Henry Disston & Sons Inc. / Phila. U.S.A. / Patent 2,318,456 / Chain sharpener". A separate plaque says "A. C. motor / Kingston-Conley Electric Co.", along with the motor specs. We assume that Disston made the chain sharpener fixture and Kingston-Conley made the bench grinder. |
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