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US Patent: 1,411,538
Hand drill
Patentee: Arthur H. Sweetland (exact or similar names) - Long Beach, CA USPTO Classifications: 132/73.6, 144/35.2, 310/50, 310/66, 310/83, 408/234, 408/240, 451/294, 470/96 Tool Categories: handheld power tools : handheld power drills Assignees: None Manufacturer: Knight Engineering & Sales Co. - Chicago, IL Witnesses: Virginia I. Beringer	Patent Dates: Applied: Oct. 20, 1919 Granted: Apr. 04, 1922 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Knight Engineering & Sales Co.
Description: The inventor, an electrician, was deceased at the time the patent was issued. See also Canada patent CA-221,357 and US Design patent D58,117.

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