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US Patent: 2,240,807
Spirit and like levels
Patentee:
Henry Shaw (exact or similar names) - Birmingham, England

USPTO Classifications:
33/381

Tool Categories:
layout tools : levels : spirit levels

Assignees:
Midland Saw & Tool Co., Ltd. - Birmingham, England

Manufacturer:
Midland Saw & Tool Co., Ltd. - Birmingham, England

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 16, 1939
Granted: May 06, 1941

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Midland Saw & Tool Co., Ltd.

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