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US Patent: 1,151,959
Folding supporting-frame for portable hand-vises
Patentee:
Angus A. McKenzie (exact or similar names) - Cambridge, MA

USPTO Classifications:
248/127, 269/101, 269/244, 269/256

Tool Categories:
work holding : vises : woodworkers vises

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
B. H. Chertok
R. Lichtenstein

Patent Dates:
Applied: Apr. 02, 1915
Granted: Aug. 31, 1915

Patent Pictures:
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Description:
Patent 1,186,671 improves on this vise by providing a lever-lock mechanism.

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