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US Patent: 7,423
Hydraulic Apparatus for Producing Blast
Patentee:
Ransom Cook - Saratoga Springs, NY

USPTO Classifications:
417/97

Tool Categories:

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
C. W. Van Voorhis
John Duzcy

Patent Dates:
Granted: Jun. 11, 1850

Patent Pictures:
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