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US Patent: 2,040,761
Spherical Boring Head
Patentee: Anton Rothschmitt (exact or similar names) - Irvington, Essex County, NJ USPTO Classifications: 72/123, 82/1.5 Tool Categories: metalworking machines : drilling and boring : boring heads Assignees: Walter Kidde & Co., Inc. - Bloomfield, Essex County, NJ Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 20, 1933 Granted: May 12, 1936 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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