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US Patent: 2,370,351
Clamping fixture
Patentee: Ernest F. Hohwart (exact or similar names) - Detroit, MI USPTO Classifications: 192/223.1, 269/227 Tool Categories: work holding Assignees: N. A. Woodworth Co. - Ferndale, MI Manufacturer: N. A. Woodworth Co. - Ferndale, MI Witnesses: Unknown	Patent Dates: Applied: Mar. 19, 1943 Granted: Feb. 27, 1945 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for N. A. Woodworth Co.
Description: This patent covers the earlier version of the N. A. Woodworth Co.'s drilling jig, the later version of which would be known as the "Cone-Lok".

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