US Patent: 2,440,584 - Screw or Nut Driver


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US Patent: 2,440,584

Screw or Nut Driver

Patentee:

Louis Frank (exact or similar names) - Fellows, CA

USPTO Classifications:

81/177.3

Tool Categories:

wrenches

screwdrivers

Assignees:

None

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Aug. 14, 1944
Granted:	May 04, 1948

Patent Pictures:

Louis Frank Pat. May 4, 1948

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Description:

The patent covers small screwdrivers and nut drivers attached to a fingertip thimble by a pivot so they can be rotated by the thumb and second finger.