US Patent: 618,579
|
| Commutator short-circuiter
|
|
Patentee:
|
|
| Edward C. Newcomb (exact or similar names) - Brookline, Norfolk County, MA |
|
|
Patent Dates:
|
| Applied: |
Jun. 21, 1898 |
| Granted: |
Jan. 31, 1899 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Jeff Joslin
Vintage Machinery entry for Holtzer-Cabot Electric Co.
|
|
Description: |
| We have seen this patent date on an electric motor badged by Canedy-Otto Mfg. Co. and believed to have been manufactured by Emerson Electric Co. We do not know if both this patent and 618,578 are used by that motor, or just one of them. |
|
