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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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