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US Patent: 851,742
Screw Machine
Patentee:
William H. Gates (exact or similar names) - Norwich, New London County, CT

USPTO Classifications:
29/55, 82/138

Tool Categories:
metalworking machines : screw machines

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Apr. 08, 1903
Granted: Apr. 30, 1907

Patent Pictures:
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