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US Patent: 1,535,281
Wrench
Patentee:
John Zilliox - Orchard Park, NY

USPTO Classifications:
279/43.2, 76/114, 81/119, 81/177.85

Tool Categories:
wrenches : wrench components : wrench jaw components
wrenches : wrench components : wrench handle components

Assignees:
Frank Zilliox - Buffalo, NY
John Zilliox - Orchard Park, NY

Manufacturer:
Park Metalware - Orchard Park, NY

Witnesses:
Unknown

Patent Dates:
Applied: Dec. 21, 1921
Granted: Apr. 28, 1925

Patent Pictures: [ 1 | 2 | 3 ]
John Zilliox Pat. Apr. 28, 1925
USPTO pdf tiff
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Description:
Interchangeable wrench heads that slide into a handle. Marketed as the XceL Interchangeable Head Wrench Set.

An improved version using patent no. 1,626,906 had a latch to hold the heads and handles together.

PARK METALWARE evolved into XCELITE.

Other Zilliox wrench patents include 1,386,217, 1,491,942, 1,626,906, 1,639,831, 1,764,379.

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