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US Patent: 331,443
Blank-feeding mechanism
Patentee: Francis H. Richards (exact or similar names) - Springfield, MA USPTO Classifications: 144/245.7, 271/158 Tool Categories: Assignees: Francis H. Richards - Springfield, MA Pratt & Whitney Co. - Hartford, CT Manufacturer: Not known to have been produced Witnesses: C. O. Palmer H. W. Faulkner	Patent Dates: Applied: Oct. 16, 1884 Granted: Dec. 01, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Pratt & Whitney Co.
Description: The "blanks" in questions are pieces of paper to be fed into an envelope-making machine.

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