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US Patent: 143,132
Improvement in hollow augers
Patentees:
Edward W. Fawcett (exact or similar names) - Salem, OH
Emmor W. Silver (exact or similar names) - Salem, OH
John Deming (exact or similar names) - Salem, OH

USPTO Classifications:
30/495

Tool Categories:
woodworking tools : hand drills : drill bits : hollow bits

Assignees:
Albert R. Silver - Salem, OH
John Deming - Salem, OH

Manufacturer:
Silver & Deming - Salem, OH

Witnesses:
Samuel Lewis
R. H. Garrigues

Patent Dates:
Applied: Jul. 28, 1873
Granted: Sep. 23, 1873

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Silver & Deming Mfg. Co.

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