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US Patent: 633,620
Tool Holding Device
Patentee:
Ed. M. Smith (exact or similar names) - Chicago, IL

USPTO Classifications:
81/437

Tool Categories:
screwdrivers
wrenches : wrench combination tools

Assignees:
Ed. M. Smith - Chicago, IL
Albert H. Richardson - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
A. L. Lawrence
D. N. C. Tanner
George L. Cragg

Patent Dates:
Applied: Aug. 28, 1896
Granted: Sep. 26, 1899

Patent Pictures:
Ed. M. Smith patent Sept. 26, 1899
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Description:
The handle of a monkey wrench modified so that turning the outer shell of the handle moves a reversible screwdriver blade housed within the handle. A spring catch engaging a notch in the outer shell holds the adjustment.

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