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US Patent: 2,444,474
Fluid pressure device
Patentee:
Benjamin R. Purvin (exact or similar names) - Cincinnati, OH

USPTO Classifications:
91/420, 91/421, 91/443, 92/117A

Tool Categories:

Assignees:
Cincinnati Bickford Tool Co. - Cincinnati, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jun. 06, 1944
Granted: Jul. 06, 1948

Patent Pictures:
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