US Patent: 2,210,561
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Outer Taper Gauge
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Patentees:
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Charles H. Allen (exact or similar names) - Pittsburgh, PA |
Rosslyn C. Allen (exact or similar names) - Pittsburgh, PA |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Oct. 20, 1938 |
Granted: |
Aug. 06, 1940 |
USPTO (New site tip) Google Patents
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Joel Havens
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Description: |
Jason R. Snyder - patent attorney
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