US Patent: 2,866,348
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| Shifter for power transmission
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Patentees:
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| Edward C. Warrick (exact or similar names) - Pittsburgh, PA |
| David D. Pettigrew (exact or similar names) - Pittsburgh, PA |
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Patent Dates:
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| Applied: |
Mar. 27, 1957 |
| Granted: |
Dec. 30, 1958 |
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Jeff Joslin
Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.
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Description: |
| The patent number was listed in a 1965 catalog of machinery from Rockwell Mfg. Co. This patent covers an improved shifter for the lathe transmission of patent 2,773,395. |
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