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US Patent: 796,154
Screw Driver
Screw Holding Screwdriver
Patentee:
Rienhard Schulze (exact or similar names) - Baltimore, MD

USPTO Classifications:
81/453

Tool Categories:
screwdrivers : screwdriver blades

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Felix R. Sullivan
G Ferdinand Vogt
Patent Dates:
Applied: May 16, 1904
Granted: Aug. 01, 1905

Patent Pictures:
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