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US Patent: 1,893,509
Slotting machine
Patentee: Edwin Ball Stimpson (exact or similar names) - Brooklyn, NY USPTO Classifications: 409/164, 409/234, 470/161, 470/164 Tool Categories: Assignees: Edwin B. Stimpson Co. - Brooklyn, NY Manufacturer: Edwin B. Stimpson Co. - Brooklyn, NY Witnesses: Unknown	Patent Dates: Applied: Dec. 17, 1929 Granted: Jan. 10, 1933 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Edwin B. Stimpson & Son

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