US Patent: 35,337 - Screw Driver


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US Patent: 35,337

Screw Driver

Patentee:

Julius Thompson (exact or similar names) - Taunton, MA

USPTO Classifications:

2/152.1, 24/56, 404/115, 81/436

Tool Categories:

screwdrivers

screwdrivers : screwdriver handles

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Patent Dates:
Granted:	May 20, 1862

Patent Pictures:

Julius Thompson Pat. May 20, 1862

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Description:

The patented feature is an arm that fits along side the screwdriver shank and which can be folded out to provide extra leverage for hard-driving screws.