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CA Patent: CA-216,934
Combination Tool
Patentee:
Erich Edelmann (exact or similar names) - Chicago, IL

USPTO Classifications:

Tool Categories:
combination tools
screwdrivers

Assignees:
None

Manufacturer:
E. EDELMANN & Co. - Chicago, IL

Witnesses:
E. Meyer
L. A. Falkenberg

Patent Dates:
Applied: Sep. 06, 1921
Granted: Mar. 21, 1922

Patent Pictures: [ 1 | 2 | 3 ]
Canadian Patent 216,934 - edited drawing
CIPO Data
Espacenet patent
Report data errors or omissions to steward Stan Schulz
Description:
Light weight "ball pein" hammer with multiple size nested screwdrivers stored in the handle. Corresponds to British patent GB-142,008 and U.S. Design patent D54,162.

Produced as Edelmann's "HAN-D" hammer. The arrangement of the screwdrivers resembles Edelmann's earlier 4-in-1 screwdriver (where the two smallest sizes are "loose" inside the next larger size), and one form of the "Three--in-One" screwdriver.

One known example of the 3-in-1 includes a patent date which refers to an alternative end cap whereby all three screwdrivers were firmly held by the end cap.

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