US Patent: 393,266 - Electric motor and dynamo


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US Patent: 393,266

Electric motor and dynamo

Patentee:

Andrew L. Riker (exact or similar names) - New York, NY

USPTO Classifications:

310/230, 310/236, 310/267, 310/40R, 310/64

Tool Categories:

electrical devices : electric motors : electric motor making

Assignees:

None

Manufacturer:

Crocker-Wheeler Electric Co. - New York, NY

Witnesses:

C. J. Hendrick

Philip Mauro

Patent Dates:
Applied:	Nov. 01, 1887
Granted:	Nov. 20, 1888

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Crocker-Wheeler Electric Co.

Description:

This patent date was seen on a 1/4 HP motor/dynamo (1050 RPM, 2.2 amps, 115 volts DC) from Crocker-Wheeler Electric Co.; this patent is the only close match we could find.