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US Patent: 2,417,150
Sine Bar
Patentee:
Ernest A. Berry (exact or similar names) - Inglewood, CA

USPTO Classifications:
33/536

Tool Categories:
metalworking tools : jigs and fixtures : angle bars and angle plates

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Apr. 25, 1945
Granted: Mar. 11, 1947

Patent Pictures:
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Description:
G. Bradbury - patent attorney

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