US Patent: 413,292
|
| Electric measuring-instrument
|
|
|
Patent Dates:
|
| Applied: |
Apr. 28, 1887 |
| Granted: |
Oct. 22, 1889 |
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward
Jeff Joslin
Vintage Machinery entry for Thomson-Houston Electric Co.
Vintage Machinery entry for General Electric Co.
|
|
Description: |
| A GE current meter was seen with this patent date on it.Thomson-Houston was established in 1883 and then in 1892 merged with Edison General Electric Company of Schenectady to form General Electric Co. |
|
