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US Patent: 1,093,244
Recorder
Patentee:
Charles W. Berry (exact or similar names) - West Somerville, Middlesex County, MA

USPTO Classifications:
346/4, 346/5, 374/42

Tool Categories:
propulsion and energy : internal combustion engines : internal combustion engine indicators
propulsion and energy : steam apparatus : steam engine indicators
industrial machines : industrial recording apparatus

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Mar. 05, 1910
Granted: Apr. 14, 1914

Patent Pictures:
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