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US Patent: 742,389
Pipe-Wrench
Patentee:
Frank D. Bullard - Los Angeles, CA

USPTO Classifications:
81/91.1, 81/91.2

Tool Categories:
wrenches : wrench adjustment types : self-adjust wrenches

Assignees:
None

Manufacturer:
Bullard Automatic Wrench Company - Providence, RI

Witnesses:
G. E. Harpham
Margarete C. Nickeleson

Patent Dates:
Applied: Mar. 26, 1903
Granted: Oct. 27, 1903

Patent Pictures: [ 1 | 2 | 3 ]
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