US Patent: 1,633,412
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Eye and face shield for grinding wheels
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Patentee:
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Thomas J. Kelleher (exact or similar names) - Chicago, IL |
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Patent Dates:
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Applied: |
Aug. 22, 1925 |
Granted: |
Jun. 21, 1927 |
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Jeff Joslin
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Description: |
This grinder shield was introduced as prior art that invalidated a claim of patent 2,069,395. The Kelleher patent was manufactured by "Acme". |
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