US Patent: 2,888,707
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| Universal caster assembly for leg supported stands
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Patentees:
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| Joseph Kmetz (exact or similar names) - Rankin, PA |
| Edward C. Warrick (exact or similar names) - Pittsburgh, PA |
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Patent Dates:
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| Applied: |
Jun. 02, 1954 |
| Granted: |
Jun. 02, 1959 |
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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. |
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