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US Patent: 86,724
Improvement in Screw Driver Handles
Patentee: Eli S. Bitner (exact or similar names) - Lock Haven, PA USPTO Classifications: 81/492 Tool Categories: screwdrivers : screwdriver handles Assignees: None Manufacturer: Henry Disston & Sons - Philadelphia, PA Witnesses: T. C. Kintzing Edw'd P. McCormick	Patent Dates: Granted: Feb. 09, 1869 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin "Vintage Machinery" entry for Henry Disston & Sons
Description: A smooth metal cap fits loosely in a socket in the top of the screwdriver to eliminate friction to the palm when driving screws. Sold by Disston and Sons in the 1876 Price List.

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