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US Patent: 909,723
Screw Driver Screw holding screwdriver
Patentee: Simon H. Wiesedeppe (exact or similar names) - Olympia, WA USPTO Classifications: 81/451 Tool Categories: screwdrivers : screwdriver blades Assignees: None Manufacturer: Not known to have been produced Witnesses: C. H. Grulerson Hugh Ross	Patent Dates: Applied: Feb. 20, 1906 Granted: Jan. 12, 1909 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Steve Gosselin
Description: A sleeve holds the screw in position, and a spring loaded blade maintain proper engagement during driving as well as removing the screw.

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