US Patent: 332,249
|
| Motor
|
|
Patentees:
|
| Martin F. Graham (exact or similar names) - Springfield, Clark County, OH |
| Owen E. North (exact or similar names) - Springfield, Clark County, OH |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Sep. 01, 1884 |
| Granted: |
Dec. 15, 1885 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens
|