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US Patent: 871,155
Insulating device
George E. Wood - Plantsville, CT

USPTO Classifications:

Tool Categories:
screwdrivers : screwdriver blades


Not known to have been produced

Markus H. Holcomb
Charles  Deeble

Patent Dates:
Applied: Feb. 28, 1905
Granted: Nov. 19, 1907

Patent Pictures:
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This Patent is for an improvement for insulating hand tools, with a insulator like rubber. At the time of this Patent G.E. Woods was employed by The Stanley Rule and Level. One of two consecutive patents for Wood.871154

From the patent's description,"My invention relates to improvements in insulating, devices for hand tools such as screw drivers, drills, and the like."

The object of the invention is to provide a new article of manufacture which is capable of being bodily applied to or removed from a hand tool to prevent the user from accidentally engaging a metallic part of the tool in the ordinary use of the same.

The invention has particular utility as applied to hand tools for electricians. In addition to protecting the user, it also furnishes a convenient and useful gripping surface, particularly where both hands are employed upon the instrument."

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