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US Patent: 140,925
Improvement in metal-drilling machines
Patentee: Jacob C. Keller (exact or similar names) - Philadelphia, PA USPTO Classifications: 144/106, 144/92, 408/236, 408/88, 408/99 Tool Categories: metalworking machines : drilling and boring : drill presses woodworking machines : wood drilling and boring : drill presses Assignees: None Manufacturer: Not known to have been produced Witnesses: Harry Smith William A. Steel	Patent Dates: Applied: May 24, 1873 Granted: Jul. 15, 1873 Patent Pictures: [ 1 | 2 ] USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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