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US Patent: 713,945
Recording Machine
Patentees:
Lester P. Beckenridge (exact or similar names) - Urbana, Champaign County, IL
Edd C. Oliver (exact or similar names) - Urbana, Champaign County, IL

USPTO Classifications:
346/136, 346/33R, 346/33TP, 346/4, 346/49

Tool Categories:
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: Feb. 20, 1902
Granted: Nov. 18, 1902

Patent Pictures:
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