US Patent: 2,391,183
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| Centering means for boring machines
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Patentee:
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| Wallace F. Mitchell (exact or similar names) - Chicago, IL |
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Patent Dates:
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| Applied: |
Mar. 18, 1943 |
| Granted: |
Dec. 18, 1945 |
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Jeff Joslin
Vintage Machinery entry for Automotive Maintenance Machinery Co. (AMMCO)
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Description: |
| "My invention relates generally to boring machines adapted for the boring of one or a plurality of so-called in-line bearings; and it has to do particularly with means for centering a boring bar relative to the bearing to be bored." |
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