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US Patent: 412,023
Key Seating Machine
Patentee:
Thomas C. Dill (exact or similar names) - Philadelphia, PA

USPTO Classifications:
409/3

Tool Categories:
metalworking machines : key seating machines

Assignees:
Thomas C. Dill - Philadelphia, PA
Thomas Y. England - Philadelphia, PA
Charles S. Walton - Philadelphia, PA
James W. England - Philadelphia, PA

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 07, 1889
Granted: Oct. 01, 1889

Patent Pictures:
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