US Patent: 1,223,857 - Filing device


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US Patent: 1,223,857

Filing device

Patentee:

William L. Deming (exact or similar names) - Salem, OH

USPTO Classifications:

220/540, 40/641

Tool Categories:

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Sep. 16, 1915
Granted:	Apr. 24, 1917

Patent Pictures:

USPTO (New site tip)
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Description:

William L. Deming was probably son of the founder of woodworking machinery maker Silver & Deming, which split in 1890 into Silver Mfg. Co. and The Deming Co. The woodworking machinery line went to Silver.