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US Patent: 924,878
Spiral tool-driver
Patentee:
Jerome I. Baron (exact or similar names) - Erie, PA

USPTO Classifications:
74/127

Tool Categories:
screwdrivers : screwdriver mechanisms : spiral screwdrivers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Belle Beers
Robert F. Roberts

Patent Dates:
Applied: Oct. 15, 1908
Granted: Jun. 15, 1909

Patent Pictures:
USPTO (New site tip)
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Report data errors or omissions to steward Steve Gosselin
Description:
The patent drawing shows a Reid Lightning Brace (see patent 268,938) with a side handle added.

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