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US Patent: 1,558,763
Angularly-Adjustable Tool Holder
Patentee:
Arthur L. Rossberg (exact or similar names) - Portland, OR

USPTO Classifications:
235/91R, 464/109, 464/117, 81/177.85, 81/450, D8/86, D8/DIG3

Tool Categories:
screwdrivers : screwdriver mechanisms

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Dec. 26, 1924
Granted: Oct. 27, 1925

Patent Pictures: [ 1 | 2 ]
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