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US Patent: D153,182
Combined Screwdriver And Inertia Weight
Patentee:
Sydney Skamser (exact or similar names) - Los Angeles, CA

USPTO Classifications:
7/165, D8/81, D8/DIG.8

Tool Categories:
screwdrivers
woodworking tools : hammers
combination tools

Assignees:
Skamser Spindriver Corporation of America - Long Beach, CA

Manufacturer:
Skamser Spindriver Corporation of America - Long Beach, CA

Witnesses:
none listed

Patent Dates:
Applied: Dec. 09, 1946
Granted: Mar. 22, 1949

Patent Pictures: [ 1 | 2 ]
Sydney Skamser design patent March 22, 1949
USPTO (New site tip)
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Report data errors or omissions to steward Stan Schulz
Description:
Screwdriver with a head segment that can rotate freely in relation to the remainder of the handle, combined with a ball peen hammer head that can slide up and down the square screwdriver shank and be fixed in place with a set screw.

The specifications cite German patent no. 319,884 and U.S. patent nos. D76,855, 1,401,896, and 1,442,174.

Marketed as the SPINDRIVER.

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